When I was in college the last time, I wanted more freedom to jack, but it never worked out.
I had a 13' color TV and a nice VCR and a small stash of pretty good porn on VHS. (This was 1988-no one had a computer or a cellphone. Truly, I swear.)
One day I came home and my roomie was jackin' to an oil party scene... he completely freaked and ran behind a cabinet, but I just said, 'Hey, no problem, I'll be back in a few minutes.' But the next day, I left my bottle of baby oil on his desk with a note that said 'This really helps with the oil scene.'
He said nothing.
So a couple of weeks later, I was lying in the top bunk of our bunk bed, and I was really horny, so I said, 'Hey Danny, I'm horny as hell... is it OK with you if I just go ahead and jack off?' and he said, 'DUDE! NO WAY! Please just go in the other room, OK?'
Well, long story short, I did go in the main room and jack off, I think to the oil scene, but what a shame.
Never asked again.