My petty little slice of Facebook hell

Sometimes I Like a friend's status update on Facebook just so I can later Unlike it because it annoys me so much.

Facebook needs a Dislike button very badly.

This would be an amusing anecdote, and perhaps a clever tweet, if it weren't true. 

The fact that I actually take the time to Like two or three sentences of digital text simply so I can Unlike the same two or three sentences immediately thereafter is a little sick.

No?