Ex new partner does not want my children to stay longer than weekend visits!!!

[Oakleaf40]

To cut a long story short. My Ex and i separated 2 years ago and he started a relationship after 6mths of us separating after 20 years of marriage.
He moved in with her within months and then moved 2 hours away to where she used to live as she didn't want to live away from her family.
Which left me to deal with what was going on and to care for my sons whilst going through the most difficult time in my life...( I was almost at a point of a nervous breakdown)

They have only recently started having my sons (16 and 19 )for weekend visits
. All has gone really well and both enjoyed going.

My Ex has arranged via my sons that they would stay with him for loner periods of time (eg All of the summer hols ) and had even sought out a collage for my 16 year old to go to and applied for a space, Filled his head with all sort's of promises etc

My eldest son does not want to live with them permanently so was going to stay a few months at a time and find agency work while there.
All this was arranged behind my back..
Now I have had his partner message me and she had no idea that this was going on either and has said how disappointed she is that this has happened and is slowly realizing how my Ex is.
She has said she does not know if this is something she wants or if this can actually work having my son's coming to stay with them loner than a weekend.
What the hell does she want me to say to that!!
They had there own time together for 6mths or so. posting on facebook how wonderful life is.. Despite destroying my life and putting myself and my sons life through hell with all the lies and dacite. No kids no stress and now the reality has hit her and him that he actually has kids and a responsibility as a father to be a father.
It looks like its all going to pot again because of his lies..

I just do not know what to say!!!!

The only thing I would be worried about and want to sort, is if it get to the far side of the summer and your exH and is DP suddenly decide that your dss can't stay with them after all, and you need to sort a year 12 place for your dc2, after local ones are full.

This needs to be confirmed in the next few weeks that they are committed to offering dc2 a home full time for the next 2 years. Not a few weeks or months. 2 full years.

I would definitely forward her message to your exh. He needs to face this and get it sorted before ita your dc2s education that suffers and you are expected to sort it out.

Thanks for the responses. I take it all on board. I agree its not my issue and she's reaching out to find out information from me.. Over the weekend I have had the Ex say to my face all is ok and they have spoken and he can stay.
He spun a whole different story as to how she was reaching out to me , until I stopped him in his tracks to say this was not the case and maybe he needs to go back to his partner and sort this all out between you all.
Then my Eldest son has been told by his father that she does not want to have 2 of the living with them.

And yes this is how he treated me in my marriage. So glad to be out of it and I am pretty sick of the constant DRAMA between them both.