Michael Phelps is content with the scale of his family swim crew.

The 28-time Olympic medalist possess a busy family with their four boys—Boomer, 8, Beckett, 6, Maverick, 4, and Nico, 5 months. So, they’re no longer in any escape to welcome runt one No. 5.

“Oh, I judge that's it,” Phelps completely told E! Data on the June 26 premiere of the docuseries Fueled By. “Nicole will notify you too. I judge she said she wished a lady for me, however we possess Onyx.”

That frequently is the family's Mammoth Dane, who the couple launched to fans on Instagram in March and who costars with the swimmer in the gentle docuseries, a joint mission from Purina Pro Notion that cramped print how nutrition factors into elite athletes’ lives with their canine.

“Onyx is our lady, so we received every little thing,” Phelps persisted. “We received four boys, we received an superior lady now.”

And it’s for his family—human and dog alike—that has fashioned his standpoint on nutrition. Despite every little thing, it near plenty to glance all of their milestones.

“Fatherhood has been something that's been special comely because increasing up roughly with out a dad,” Phelps, whose oldsters divorced when he used to be younger, admitted, “being in a hiss to roughly step by step be spherical and glance each step has been a treat.”

Naturally, having four formative years in most cases in all fairness annoying, and with three close in age, huge emotions include the territory. So Phelps, a longtime psychological health imply, and his vital other employ a tried and staunch tactic to composed the waters.

“Three boys eight, six, and 4 roughly salvage roughhousing and salvage into it—there are a range of large emotions,” he said. “So after they're going at every diversified, we pull them aside and you voice, 'Lion breath.' And then they're in a hiss to talk about by the issues that they're experiencing of their abdominal.”

Phelps persisted, “As a dad, that's basically chilly to glance, because we're giving them a tool with a goal to abet them abet watch over their emotions and title their emotions and I judge that's something that I didn't learn till later in life. So some of these runt cramped issues are confidently going to manufacture an affect and swap how they judge about at psychological health in due path.”

And his abilities in both swimming and compassionate parenting has earned him a nickname from his sons.

“My formative years call me Aquaman because I'm in a hiss to tackle my physical and my psychological health,” Phelps published. “At some stage in my accelerate that I've been on, I judge that's been the ideal share that has allowed me to be basically the most easy model of myself.”

—Reporting by Nikaline McCarley

Learn on to glance Phelps' sweetest family photos over time…