Photos: Boomer Phelps wins hearts at Olympics

United States' Michael Phelps' son Boomer, with his fiancee Nicole Johnson and mother Debbie, wears ear protection during the swimming competitions at the 2016 Summer Olympics, Monday, Aug. 8, 2016, in Rio de Janeiro, Brazil. (AP Photo/Michael Sohn) — United States’ Michael Phelps’ son Boomer, with his fiancee Nicole Johnson and mother Debbie, wears ear protection during the swimming competitions at the 2016 Summer Olympics, Monday, Aug. 8, 2016, in Rio de Janeiro, Brazil. (AP Photo/Michael Sohn)

United States’ Michael Phelps’ son Boomer wears ear protection during the swimming competitions at the 2016 Summer Olympics, Monday, Aug. 8, 2016, in Rio de Janeiro, Brazil. (AP Photo/Michael Sohn)

AP Photo/Michael Sohn

Nicole Johnson, fiance of United States' Michael Phelps, holds their baby Boomer during the swimming competitions at the 2016 Summer Olympics, Monday, Aug. 8, 2016, in Rio de Janeiro, Brazil. (AP Photo/Lee Jin-man) — Nicole Johnson, fiance of United States’ Michael Phelps, holds their baby Boomer during the swimming competitions at the 2016 Summer Olympics, Monday, Aug. 8, 2016, in Rio de Janeiro, Brazil. (AP Photo/Lee Jin-man)

The family of United States’ Michael Phelps, mother Debbie, left, and his fiance Nicole Johnson holding their baby Boomer watch the swimming competitions at the 2016 Summer Olympics, Monday, Aug. 8, 2016, in Rio de Janeiro, Brazil. (AP Photo/Lee Jin-man)

AP Photo/Lee Jin-man

The family of United States' Michael Phelps, mother Debbie, right, and his fiance Nicole Johnson holding their baby Boomer during the swimming competitions at the 2016 Summer Olympics, Monday, Aug. 8, 2016, in Rio de Janeiro, Brazil. (AP Photo/David J. Phillip) — The family of United States’ Michael Phelps, mother Debbie, right, and his fiance Nicole Johnson holding their baby Boomer during the swimming competitions at the 2016 Summer Olympics, Monday, Aug. 8, 2016, in Rio de Janeiro, Brazil. (AP Photo/David J. Phillip)

RIO DE JANEIRO, BRAZIL - AUGUST 09: The mother of Michael Phelps of the United States, Deborah Phelps, partner Nicole Johnson and their son Boomer, celebrate the gold medal victory in the Men's 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by Al Bello/Getty Images) — The mother of Michael Phelps of the United States, Deborah Phelps, partner Nicole Johnson and their son Boomer, celebrate the gold medal victory in the Men’s 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by Al Bello/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 09: Boomer Phelps, the son of Michael Phelps of the United States, is seen on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by David Ramos/Getty Images) — Boomer Phelps, the son of Michael Phelps of the United States, is seen on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by David Ramos/Getty Images)

United States' Michael Phelps is surrounded by media as he kisses his son Boomer, held by his fiancee Nicole Johnson, second left, after winning the gold medal in the men's 200-meter butterfly final during the swimming competitions at the 2016 Summer Olympics, Tuesday, Aug. 9, 2016, in Rio de Janeiro, Brazil. (AP Photo/Martin Meissner) — United States’ Michael Phelps is surrounded by media as he kisses his son Boomer, held by his fiancee Nicole Johnson, second left, after winning the gold medal in the men’s 200-meter butterfly final during the swimming competitions at the 2016 Summer Olympics, Tuesday, Aug. 9, 2016, in Rio de Janeiro, Brazil. (AP Photo/Martin Meissner)

United States' Michael Phelps celebrates winning his gold medal in the men's 200-meter butterfly with his mother Debbie, fiance Nicole Johnson and baby Boomer during the swimming competitions at the 2016 Summer Olympics, Tuesday, Aug. 9, 2016, in Rio de Janeiro, Brazil. (AP Photo/David J. Phillip) — United States’ Michael Phelps celebrates winning his gold medal in the men’s 200-meter butterfly with his mother Debbie, fiance Nicole Johnson and baby Boomer during the swimming competitions at the 2016 Summer Olympics, Tuesday, Aug. 9, 2016, in Rio de Janeiro, Brazil. (AP Photo/David J. Phillip)

United States’ Michael Phelps celebrates winning his gold medal in the men’s 200-meter butterfly with his fiancee Nicole Johnson and baby Boomer during the swimming competitions at the 2016 Summer Olympics, Tuesday, Aug. 9, 2016, in Rio de Janeiro, Brazil. (Ettore Ferrari/ANSA via AP)

Ettore Ferrari/ANSA via AP

RIO DE JANEIRO, BRAZIL - AUGUST 09: Gold medalist Michael Phelps of the United States celebrates with his mother Deborah Phelps, fiancee Nicole Johnson and son Boomer during the medal ceremony for the Men's 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by David Ramos/Getty Images) — Gold medalist Michael Phelps of the United States celebrates with his mother Deborah Phelps, fiancee Nicole Johnson and son Boomer during the medal ceremony for the Men’s 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by David Ramos/Getty Images)

In this Aug. 9, 2016, file photo, United States’ Michael Phelps celebrates winning his gold medal in the men’s 200-meter butterfly with his fiance Nicole Johnson and baby Boomer during the swimming competitions at the 2016 Summer Olympics, in Rio de Janeiro, Brazil. (AP Photo/Matt Slocum, File)

AP Photo/Matt Slocum, File

United States' Michael Phelps fiancee, Nicole Johnson, holds his baby son Boomer during the swimming competitions at the 2016 Summer Olympics, Wednesday, Aug. 10, 2016, in Rio de Janeiro, Brazil. (AP Photo/David J. Phillip ) — United States’ Michael Phelps fiancee, Nicole Johnson, holds his baby son Boomer during the swimming competitions at the 2016 Summer Olympics, Wednesday, Aug. 9, 2016, in Rio de Janeiro, Brazil. (AP Photo/David J. Phillip )

Boomer, the son of United States' Michael Phelps, sleeps on the shoulder of his mother Nicole Johnson as she leaves the hall after the men's 200-meter butterfly final during the swimming competitions at the 2016 Summer Olympics, Tuesday, Aug. 9, 2016, in Rio de Janeiro, Brazil. (AP Photo/Martin Meissner) — Boomer, the son of United States’ Michael Phelps, sleeps on the shoulder of his mother Nicole Johnson as she leaves the hall after the men’s 200-meter butterfly final during the swimming competitions at the 2016 Summer Olympics, Tuesday, Aug. 9, 2016, in Rio de Janeiro, Brazil. (AP Photo/Martin Meissner)

Nicole Johnson, fiance of United States' Michael Phelps, holds their baby Boomer during the swimming competitions at the 2016 Summer Olympics, Thursday, Aug. 11, 2016, in Rio de Janeiro, Brazil. (AP Photo/Natacha Pisarenko) — Nicole Johnson, fiance of United States’ Michael Phelps, holds their baby Boomer during the swimming competitions at the 2016 Summer Olympics, Thursday, Aug. 11, 2016, in Rio de Janeiro, Brazil. (AP Photo/Natacha Pisarenko)

In this Aug. 13, 2016, file photo, Nicole Johnson, fiance of United States’ Michael Phelps, holds their baby Boomer, as she stands along with Phelps’ mother Debbie and sister during the men’s 4 x 100-meter medley relay final during the swimming competitions at the 2016 Summer Olympics, in Rio de Janeiro, Brazil. (AP Photo/Lee Jin-man, File)

AP Photo/Lee Jin-man, File

Nicole Johnson, fiance of United States’ Michael Phelps, holds their baby Boomer, as she stands with Phelps’ mother Debbie during the men’s 4 x 100-meter medley relay final during the swimming competitions at the 2016 Summer Olympics, Saturday, Aug. 13, 2016, in Rio de Janeiro, Brazil. (AP Photo/Michael Sohn)

AP Photo/Michael Sohn

Nicole Johnson, fiance of United States’ Michael Phelps, holds their baby Boomer, as she cheers along with Phelps’ mother Debbie and sister during the men’s 4 x 100-meter medley relay final during the swimming competitions at the 2016 Summer Olympics, Saturday, Aug. 13, 2016, in Rio de Janeiro, Brazil. (AP Photo/Lee Jin-man)

AP Photo/Lee Jin-man