He didn't quite know where the babysitting came from, but he expected that wouldn't be a problem. He didn't have time to make rules and play the stern schoolmaster. There were important things.
"I'll have a set of keys ready for you and I'll give you the alarm code so you don't set it off unintentionally when you come in. Beyond that... I imagine we'll just take things as they come." Not that they had much choice.