...definitely no bubbles. And I've been told I'm not allowed to use grenades in the bath. [ By an entire stick in the mud. But if Wanda's going to make his day by giving him permission...

This is a lot of implied information for someone who is very much a 'scrape the blood off and take a five minute cold shower' kind of guy. ]

Why? What does it do to the water to render it unusable? [ And if it's not safe to use on your hair at that point, why the hell would you want it near the rest of you? ]