There is nothing about our relationship that isn’t fixable and we have two amazing reasons [our kids] to give it everything we have!! Come home and stop being such an idiot!!!”
The problem is that they think they have tried everything (or use that as an excuse) and/or are being selfish. Their pride and ego would be dented if they returned and they may also think you'd never forgive them anyway, and it would be the same as it was so it isn't worth their effort.
