MetricMatt,
No shrink here, but if one can't find or bump into some "fun" stuff and fun to be with people, at your age and, in college, I think you might need to assess your current situ and priorities.

Fun stuff can range from a good book, a tv show, a drive, just hanging with someone you care about, going for a walk in the woods, reading some of the drivel on this board, etc.

If I didn't laugh out loud several times a day, I would think I was sick/depressed or locked in a closet...

Seriously, you need to take all the posters' suggestions and get out and Do Sumpin'!

Life only comes around one time, for any of us.
Good Luck, Ol'UncleMotor