Let's see, if you smell it, inhale it, you know, this is something, if you go into the prep room and you see your compadres passed out on the floor and you just feel like, your instant impulse is to run in there and grab them and throw them over your shoulder and carry them out or give them CPR or something, you need to be aware that there's a reason why they're passed out on the floor and so you need to think real quick and just do a little quick check with your five senses. 