Any damn time you want. As long as your mother isn't home to yell at you. When mom is going out of town is time to eat anything, anytime I want. I'll probably be the good little boy I am and replay what mom says to me. I'll also be able invite friends of the female variety and comfort her about her grandpa in the hospital with lots of food...(no sexy time)
It'll be breakfast burrito in the morning, pizza for lunch, salad then pizza for dinner, pizza for a midnight snack repeat. And then when I go to work with dad it's subway. Oh how food is wonderful.