[You know. He's about to say it's stupid to think about all these things, but what WOULD you do if someone lost their leg in a three-legged race?]

Man, yer REAL new to the 'humanity' thing, huh? You know, most folks' legs are pretty firmly attached. It takes a bit to pull 'em off, but I guess if ya did the race would get called off and they'd have to call an ambulance. You'll wanna staunch the bleeding then, wrap up the wound, put some pressure on it...

The rest I can show ya in a sec. As fer a 'nerd', it's just someone who likes nerdy shit like learnin' and readin' and stuff. Usually they got a look about 'em.