Husband has struck up a friendship with a school mum (who has a husband) they have met for coffees on their own once and once with her youngest child. They’ve been on play dates with the children which doesn’t bother me but the alone meet ups do. They text very often. I know her also and we occasionally text and occasionally meet up for play dates. had to tell him I find the meet ups alone uncomfortable which he understood and said wouldn’t happen again. But then I read his messages from her to find her casually asking him if he wanted to join her for a drink, he turned it into a group thing with others so want alone, but lied to me about how this came about. He has since deleted all their chat history which I find odd. Am I being paranoid?