No More Mr. Not-Really-Fast-Metabolism

No more Mr. Not-Thirsteee
You'll say "KA101's sick.  He's Obscene!"

And for those of us not up for song references, this makes Fast Metabolism/High Thirst each a three-mutation tree (50%/2x/3x to respective needs) and reshuffles the mutations amongst them.  Nobody has Extreme Thirst because I'm thinking that'd be a funstopper.