1 Spanners: If we’re discussing who to cannibalise, I must point out that I require nutritional chitin, and none of you have exoskeletons.
2 Serron: So you can’t eat Paris’s leg?
2 Spanners: It’s okay. I can eat one of my own legs.
3 Paris: That’s all right for you, you’ve got six of them!
3 Serron: Okay, we cut a leg off Paris and Spanners, and eat those.
4 Spanners: Cut off? Ew!!
4 Spanners: You want to nibble while it’s still attached. Much fresher.

You know who your real friends are when you discuss who you'd eat first in an emergency.

Alternatively, you get to know who your real "friends" are.