Tipping the board over probably wouldn't be for the best. It wasn't that Miguel was a bad swimmer, it was that sometimes he got easily distracted and drowning was a thing he did almost as well as swimming. It was an issue, really.
"Oh, I know how it is. My feet are in it, see?" He pointed, like it wasn't obvious. Maybe it wasn't. Who knew? "And I dunno? Half an hour? It's nice just to watch sometimes. Get all tranquil. Be cool. Coooollll." He grinned.