I have known my best friend for about 12 years. She's got 3 kids and I have 4. We see a lot of each other and all of our dc get on really well together and our dh's are friends too.
A couple of years ago she suggested that instead of buying Christmas presents for each others dc, we'd stop and just buy birthday presents as it was getting too expensive. I understood completely and agreed.
However she has, in the last year or so become quite friendly with another mum from her dc's school, she let slip that she didn't know what to get this woman's daughters for Christmas and this woman's friends 2 kids. I was a bit surprised but didn't say anything. AIBU to be a little offended?