and this is bad thing? have you seen all the money and adverts for viagra that you get spammed???
take a tip from Something About Mary.. never walk around with a loaded gun if you dont plan on using it.
ok, seriously, i wouldnt worry about it too much and enjoy the fact that you can be so easily aroused. she probably wont notice, but it does concern you too much, i'd have to agree with the other guys.. tightie whities.