Katanafar

Does anyone know how to stop  your parents (stepmom & my dad) from getting a divorce? My dad did something stupid and now she wants divorce but won't listen to what he has to say, he really doesn't care about getting a divorce he just wants her back and I don't know how to help please give some advice

Hey I have a question so my dad did something stupid and now my stepmom wants a divorce how can I stop that from happening?