[Just because he sucks at exposition himself and prefers it simple doesn't mean you can dispense with explanation altogether and try to feed him suspicious liquids?!

Being quite handily stuck in this position for real, Lenka leans back when he gets a look at the strange liquid; nothing that color and glowing like that and coming from a source like that is potable, so either it's something that's going to sever the link (his hair.....) between him and the caravan or.

Or what.]

I think I'll pass. On drinking. Thanks.

[There's still only some stiffness showing in his face and voice, but he has Regrets about many things at the moment.]