Tony came up a little further in the shallow end as he took Ant and held him close, the baby smacking his hand against Tony's shoulder and squealing at the sound it made when it splatted against the water on his skin. He took the little hat off and set it on the side of the pool, the little bits of dark hair sticking up in various places much like Tony's did on a regular basis.
"Let's show Mommy what a big boy you are." He figured the best way was to hold him close and slowly walk back until he had submerged Ant to his waist. As the water started to hit his little feet, he kicked them hard against Tony and squealed again. Now he was far enough in it so he could kick his feet and splash water, his little chubby hands reaching to get to the water. To him it was probably just a giant bath.