dietary downer

[coffeetime]

( tl;dr rant because I just can't eat like an athlete )

The thing that bugs me the most: how am I going to maintain a healthy weight and muscle mass as I get older (I'm 48 now) and get stronger, if I have to live on white carbs and cheese? I have seen several dietitians in the past few years, all of whom have answered, "Gosh, I don't know."