I am divorced with two lovely children and have a very good relationship with my ex.
He has the children EOW and one evening a week, this has always been the arrangement since we split 5 years ago.
The kids come back to me on Sunday evenings when it is his weekend. This has always been the case as 1. I think it better for them to get back into their routine before the new week and 2. their Dad often has a very early start on Mondays. He travels a lot for work and often takes a Monday morning flight or has to catch an early train.
He recently got married, and his new wife doesn't yet have kids of her own. I have found her pushy in the past regarding the children.
Ex-husband last weekend raised the possibility of him keeping the children on the Sunday nights when it is his weekend, and taking them to school on the Monday.
We talked about it ,and when I pointed out that he often isn't there, he suggested step-mum can get the kids up and do breakfast / school run.
I don't want this. I was happy to talk about him having the kids when he can take them to school on the Monday, but said that when he can't be there that the children should come back to me on Sunday, as we have always done.
I'm their mum and I WANT to do that for them, get them up, give them breakfast and see them off. I feel that giving time that was mine to their Dad so he can spend more time with them is one thing, but I don't want to give my time with my kids to step mum.
We agreed it last weekend - he said fine, he would bring kids back on Sundays when he has got to go off early. All was very amicable.
It's his weekend this weekend coming. I texted him to reiterate what we agreed re: Sundays and asked whether he was taking the kids to school on Monday or returning them to me on Sunday.
He has now come back and said that he won't be there first thing Monday as he is going to the States and step mum is going to do the school run! That she 'is their step mum now' and it is his decision! Not what we agreed!
We are now arguing about it (we never argue!) - and I know that this is coming from her - she is hugely controlling and wants to 'be important'.
As far as I am concerned he has reneged on our agreement to appease his new wife.
Other than turn up at their door on Sunday evening, what do I do?