Masturbation =/ porn addiction
Fapping multiple times a day to lactating BDSM tentacle porn is not healthy.
Fapping a couple times a week to your own imagination/memories/whatever is healthy (if you're not getting laid)...and you won't piss the bed.
As with everything, moderation is key.
And here is a fapping monkey... skip to 1:40ish
[ame="http://www.youtube.com/watch?v=YYVwVvCn2Zs"]Monkey Masturbating - The Funniest Thing Ever! - YouTube[/ame]