Here's a bright idea: Dining halls at Harvard (heard of it?) have outlawed trays to steer students toward portion control. Those who want seconds actually have to drag their butts back on line rather than graze or gorge from a loaded-up tray.

Would you do the "walk of shame" for a second helping?

• Put my diet-breaker on display? No thanks.
• Burn off more calories to enjoy more food? Absolutely!

NEXT: Build your own bar>>