AIBU to feel betrayed and pissed off?

[lizpi]

I know a woman who I have been friends with since high school (aged 11) albeit not overly close for a good few years, but we were back then.

Our DC have both started reception together and are best friends. We've become much closer, doing things with the DC and I've been giving them lifts to/from school when it's raining etc. as she doesn't drive. We've confided in each other about our ExDP's (fathers of our DC). I've told her how crap he is, the way he's made me feel etc.

ExDP picks DS up from school 1-2 times per week if he can be bothered. It has come out that friend, ExDP and the two DC spent an evening together after school, going to various parks and then all went for food together.

The four of them then met up on a weekend and spent the day together at a farm. Today DS had a birthday party that ExDP took him to, and when he picked DS up from my parents' house, she was in the car with her DC.

None of this has been mentioned to me, DS told me and it's been confirmed. They both say nothing is going on between them. Just "mates" apparently.

They had never met prior to September, it's literally just through the school run.

AIBU to be upset about this? It feels like a betrayal from her.

YANBU

I would be really upset and would feel betrayed. Taking a lift that is offered is fine - going for dinner, not so much!

YANBU

If it was innocent and all above board, she would have told you and been up front. I would feel very betrayed.

Do you think they are in a relationship?

YANBU, that’s pretty shitty

What a shit friend she is.

YANBU that's horrible of her

I'd be politely distant with her and stop giving her lifts anywhere or confiding in her.

It would be the end of any 'friendship' from me. Yes, I'd feel pissed off.

She can do what she likes, but so can you. It might be time to be a whole lot less helpful.

Thank you.

I don't want to overreact. I just couldn't doing the same to her.

I agree with the other posters, and wouldn't be going out of my way to be available to help her out in future.

I would back right off. No lifts, no chats.

It's not very nice.

As others have said, I would back right off. She is not your friend .

YANBU. End of friendship

Yanbu!

She is clearly either interested in or is having a relationship with him. It is a bit shit of her. I would be cooling off and there would be no more lifts or socialising with her.

What a snake she is, listening to you talking about your ex, knowing she was going to see him soon, with your child too. That would be it for me.

Well she chose and she knows what he's like. Good luck to her.

She should have just been honest from the start.

She is NOT your friend and even if nothing I going on NOW I think there could we be at some point.

Stop the contact bar civil (and very short) school gate hi and bye and don't give lifts etc.

She has made her choice.

Do yourself a favour and cut all contact. Even if there was nothing between them (which I don’t believe for a second) you deserve a friend that treats you with respect and is honest with you.

I can understand you being a bit upset yes but there's nothing wrong with her dating your ex. OK, just friends 🙄 atm but not really your concern. How often have you seen this woman socially on your own? She's not really your friend is she.
How would you even start that conversation anyway....oh l was chatting with your ex yesterday. He actually seems OK.

All of this. She is not a friend at all.

She's a cunt

Keep it civil for DC sake but keep her at arms length. This one definitely isn't your 'friend'.

No friend, is she? I’d consider that properly shitty behaviour.

This.