Working out before you go out will make your face look leaner.

[Toshnaire]

Yesterday after doing abs for 15 mins my face looked insanely lean, my jaw was very visible, guess its something to do with water retention. Before going out (to a party or something) jump on the treadmill for 10 mins or do a quick 10 min ab workout, losing the water retention can make your jaw look chiseled.