I have soo many pet peeves that it is ridiculous. I am only going to tell you about the top 5 of mine.
1. When people eat with their mouths open.
2. When people text with like u, ur, l8er. Junk like that is annoying!:P
3. When people take my things constantly.
4. Also when people try and jump into a conversation that they were not included in in the first place.
5. When people click the pen that they have in their hands over, and over, and over again!