Computer guy, obviously. Works the cubicle circuit. Of course, everyone in the movie hates sex, just as an alcoholic is spiteful of the scotch in his cabinet. To The Dollhouse , has given his actors a wealth of meaty silence. It's about inappropriate vocabulary breaking through the will to be silent, and speech never coming when the words in one's head are zipping by at a supersonic pace.
Happiness is contentment, or the illusion thereof.
Ward Cleaver jauntiness or Willy Loman bitterness. The pain comes out at the head shrinker's, and then goes back inside, building itself up in a wad, if you'll allow the phrase. Happiness is delighting in small things, like Pervert Dad having a minute alone with his teen-hunk magazine before the family in the next car returns with their groceries. It's the calm that precludes the tsunami, like not having enough small things over which to delight, and misdirecting the guarded disappointment into rage. Solondz recognizes the impact even the slightest of dysfunctions in the family crux can have on the children.