When faced with a dilemma, always look for third options. In this case, that option is to lie: keep up a pretense, to everyone except your friends, that you're

When faced with a dilemma, always look for third options. In this case, that option is to lie: keep up a pretense, to everyone except your friends, that you're using it for strictly medical purposes. In this case, the people who really need to be lied to probably don't deserve honesty.