Hey - bummer that you didn't really hit it off with this bass player. I wouldn't consider it wasted time though...nothing ventured nothing gained. There's no sense in forcing the issue, if it isn't working, then just move on.

No being prepared is a pet peeve of mine and I hold myself to the same standard. It's why trying to figure out songs in a group setting doesn't work for me - I rather sort it out on my own and come back later.