You're not going anywhere! You're either part of the solution....or????? :) YOU are a consistent source of positive energy. If you need to back off & re-charge, that's one thing, but to leave because of a few maladjusted peeps, well, that's just not acceptable.
Hey, believe me, I KNOW it's hard, but let's all just IGNORE them, shall we? Let's help each other, that's what it's all about:)