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When you use Facebook to jack off to photos of people you know or random strangers. You're basically a pervert who can't get a date.
I saw my ex's face on Facebook and I got hard. I didn't even care if she was married.
I was at work and I saw my buddy's hot girlfriend on Facebook. I jacked off in my pants.
I like my own photos just to get more likes. It's like I'm trying to convince myself I'm hot.