We had a fellow in the office who couldn't open any packaging that had polystyrene in it. It wasn't that he didn't want to unwrap the contents, he physically couldn't.
Whilst in Aberdeen recently, I learned that my best mates' son hates odd numbers.
Me, I have to force myself to wash the tattie masher - I have no idea why. And, when I'm filling a bath, I have to count back from ten before turning off the hot tap.
Any other members have odd phobias/rituals they would care to admit to.
PS I trust any posts of a sexual nature will be immediately removed...
and the details e-mailed to me.