To be honest, we don't. He's worked there for more than twenty years, and it's still difficult. We're sufficiently used to it that whatever plans we make with other people always include a caveat about unexpected, mandatory overtime and that we don't commit to things on the weekends until the last minute. When Cordelia was doing team sports, I made sure I had phone numbers for a bunch of other parents because Cordelia and I were certain to need last minute transportation a few times a season.