I would do David, as unfortunately though I'm happy to give it a go, the ex is not And as has been covered in other threads, they can make things pretty difficult for you, even if strictly speaking, the decision is not theirs.
Sounds like she said "yes" but really means "no".
Women can be like that sometimes. Not just when they become exes
I firmly remember when I bought my plane "go ahead and do exactly what you want..."
I learned too late that it was a dare, not permission...