A dog humps, shits, eats trash, licks where you don’t want it to and bites. Despite the lack of prefrontal cortex\ in these four legged hairballs, we humans can’t seem to get enough of them. Perhaps we keep them because dogs love so unequivocally and ungrudgingly. In Clackamas Community College’s production of Sylvia, Sam Levi’s character Greg, a middle aged stock trader, finds this dog…