You're fine to miss just 1, just double up tomorrow. But you can't miss tomorrow's or you have to use condoms for the rest of the month to be on the safe side. You might also get a little queezy tomorrow with the double dose (I never did but they say you can).
Re: CRAP
see ticker below... ;-)))
just kidding!! take an extra tomorrow and dont have sex and you will be fine!
This made me LOL