Every DID I've met IRL have been a professional in teaching or Mental Health or some other fast paced job. I think we're good at it because we are So Many, we can easily slide in between situations and be Who we need to be in a given instance. I was a teacher until my anxiety got so very bad I couldn't continue. So I still tutor a little. I just signed up to be an extra teacher on a field trip... this may not have been my best idea (and I'm getting crap for it internally) - I've not been around a group of kids in over 3 years. Maybe my background check won't be processed in time....
I never feel I can back out of things after I've agreed to them (or one of us has agreed)....