I saw Mike Williams (WR from USC from 2002-2003) and I was stunned at how much he ballooned. You wouldn't have known he played wide out.
I always just assumed the simple energy in minus energy out.
When you stop working out 4-5 hours per day, but you still eat almost the same amount. That energy will get stored
Given that you’re not very interested in things like health and fitness, it’s a very simple trap.
We’ve even seen athletes become visibly fat during vacation