My ex brother in law has booked a holiday next week for a week. He is a single Dad to my nephew. He had child care sorter, I thought anyway. This childcare turns out to be a bit flakey so he has asked me if I can do a few days to help. It would mean staying at his house cos of their pets. I work full time and have a 6 day week next week. He didn't give ne any warning just turned up this evening to ask