We have had our first holiday as a family of 4 booked for over a year now and have been really looking forward to it. We've been away with both sets of parents which has been great. The in laws asked the hubby a couple of weeks ago if they could come along and surprise the kids and we discussed a bit but felt at the time we couldn't really say no so we thought we'd compromise and suggest a slight overlap. They've now booked but are overlapping for most of our holiday. How to I go about telling them we just want to meet up for a couple of the days without upsetting them.