Weight thing sounds made up. By this point, it doesn't look like he's using anything. He's kinda scrawny looking compared to what he looked like in '93 and '96.
He said it was the gut lol. Idk man it may have been some self conscious shyt about getting older and knowing things weren't going to be as loose fitting as they used to. It happens when you get flabby. And even though Shawn is still in shape, the flab happens