I am laughing hard over here. Seems to me that you have a pretty normal teen ?. Yes, athletes do some strange stuff. As stated so do the professionals. So do performers and so on.
He seems ambitious and actually looking up schools etc, I give him a ton of credit. Doing applications etc. My son drove us crazy by pushing the send buttons very close to the deadlines. I kept telling him the internet could go out or something… Drove me crazy.
We were definitely different at the beach most of the time etc. As you stated.
It’s a different time now. I don’t know if my kids would of survived the stuff I did ?.
The shirt thing… Well… Just ask him “What’s up with the shirts”? Then ask… "Any others you want to get?