from http://hooplaha.com/2014/01/how-to-take-a-more-flattering-portrait/
In the right photo, the model is moving his jaw slightly forward, eliminating the multiple-chins effect.
He’s also slightly bringing his lower eyelids up (a trick called “squinching”), making his gaze a little more soft, yet piercing at the same time.
Nailed it.
.
You’re kind of channeling Lee Marvin there a bit.
Hottt!