[It earns him a skeptical "hmmmmm" look for a bit]
I know it's short notice, but the reason I'm coming back in the morning is to have some work done, minor surgery. So, for a few days I won't be particularly able to have patrol shifts or-- do anything like tonight, really.
--Well, more than not being able, it's that someone would make me stop if I did... [So she'll be good from the outset this time]