Had another quick thought, Maybe it’s the life vest. The gentle ‘hug’ may be just enough distraction from the normal sensory overloads. See if he wants to wear it in the bath. If it works get a 2nd one.
That's a great idea!!!Maybe take a fave new pool toy in the bath- like a cut in half noodle?
Yupp!!!is that Stretch down at the far end of the pool floating, avoiding the crowd?