You know, I didn't have enough money to quit my day job... the myth of the major label deal. Nowadays, you have a tour bus and a stylist and all this stuff. But back then, no way.
I believe in eating smaller meals more often throughout the day to keep the metabolism going. Don't deprive yourself, just make better choices. At 50 years old it is definitely a lot harder to stay in shape then it was when I was in my 20's.