Trying to be nice to my kids father by letting him know how their doctors appointments went, how…

Trying to be nice to my kids father by letting him know how their doctors appointments went, how much they have grown and told him how much they love him. Obviously that was a mistake, I got a thank you and he loved them. Then rudely tells me bye. Okay, wow! Sorry for trying to make sure you knew what was going on with your kids. Just your upset about the fact I don't want to be with you doesn't mean you need to be a jerk when it comes to the kids