Michael Phelps' wife Nicole explains why she "bawled" after learning she was pregnant with her fourth baby, saying that it was a "big wake-up call." The couple is parents to four sons — Boomer, 8, ...

The athlete also said that his kids being close in age was something he and Nicole had done on purpose, as the proud parents wanted their children to be able to grow up together. Michael Phelps ...

Michael Phelps' wife Nicole Phelps had some complicated feelings ... Alongside Nico, the couple is parents to sons Boomer, 8, Beckett, 7, and Maverick, 5. Never miss a story — sign up for PEOPLE's ...