I have a Facebook, when I made it I obsessed over it. Then I deleted everyone who I didn't know or didn't know to well, and also people who I simply didn't like who I had no idea why I added in the first place. I went from 300+ friends to just 35 friends, but people who I actually know and talk to
Now I am on facebook once every two or three days, and never for longer than 10-15 minutes.