shh... guess who?

i just realized i've been subconsciously trying to guess people's footsteps at work-- i hear someone coming and i try to guess who it is. then i sort of silently reward myself when i am right... as i just was a few moments ago. i think i've been doing it because i like puzzles. also because i often get "accused" of approaching silently-- partially due to the fact that i usually wear flats, and partially because climbing has taught me the importance of having quiet feet.