Avoidant dumpers, what goes trough your head after breaking up? Do you ever think you made a mistake?

Especially men who “usually” dont go back to their exes, do you ever have moments of actual reflection where you start questioning wether you acted out of impulse? Do you ever think that maybe it could be worth working on things but you’re just a bit too proud? When you say that you have moved on and want to detach and go party alot immediately after a breakup, do you actually feel nothing or do you know you’re trying to cope? What would make you seriously sit down and reconsider the relationship? What is the best thing your ex partner could do in this case to help you get back?