NimBoss

He and Charlie grew up in a very fundamentalist Christian family and both were at the mercy of their father's overzealous vigilance of their personalities, sexuality and life choices, with Oliver facing the brunt of his bad temper and general abuse.

This made Oliver develop a form of maladaptive anxiety tethering on agoraphobia, that often keeps him away from the outside world and people in general, with Charlie being the only person he truly trusts.

He spends his days at a farm outside Philadelphia, where he grows all sorts of seasonal produce, flowers and his own supply of weed, which is among the few things that stave of his overwhelming anxiety and paranoia of his father finding out where he, or Charlie, are.