another would be walking on tiles, which i would make sure i step on unbroken ones (not related to superstition).
I do this too sometimes, I allso avoid the spaces between the tiles. This comes from my childhood <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />.
@ Spick: Why? <img src="/ubbthreads/images/graemlins/puppyeyes.gif" alt="" />
Übereil