Vasectomy-havers -- will I be able to go hiking 11 days after the snip?

This morning's shout-out to @ConroyForReal, doing the important front-line work of Editor Saving Writer From Accidentally Offending Thousands Because Words Mean Very Different Things In The US and The UK.

I presciently give you the most screengrabbed panel from Hellblazer #6, dropping June 18.

Any IRL chums at O2 for Tool? I slither among you.

German speakers and history bods -- if a Graf was essentially an earl, and his wife was (probably) a Gräfin, what title might their daughter get? NB: this doesn't have to be historically accurate. I'm looking for a linguistically apt youthful female version of "Graf", basically.