Maybe the smile I’m wearing after watching the trailer for How Do You Know shows that I’m a 36 year-old man in the midst of reevaluating his life and where he is, but from a strict cinematic perspective, there isn’t much in the way of negative coming from this December 17, 2010 release. Written and directed by James L. Brooks, the genius behind Spanglish, As Good as It Gets, Broadcast News and Terms of Endearment, the movie centers around a …