I used to be OCD about telephones. After talking on the phone I"d click on and off like 7 times exactly to make sure it was off. I had a fear that I'd leave it on one day and say something that offended the person who I just talked too. I was a Teacher's Assistant for my band director in high school and it got so band that when I'd answer the phone he'd grab it from me. Just so I wouldn't pick it up 7 more times. I still did though.
There was something else that I did routine like that. But I can't remember. I started on Paxil cause I made my friends nervous. And I haven't done anything like that in over two years.