I found some ideas in the online article “Don’t Let Your Parents Disapproval Derail Your Dreams (by Ron Carucci),” really helpful for changing the dynamic with my parents when it came to trans stuff. specifically under the subheadings “resist defending your viewpoint” and “dig for deeper anxieties”.
It won’t. They’ll never be satisfied. This is a trap. They’ll ignore your misery because it’s not about your happiness. It’s about their comfort. They don’t care about you. If they did, they would support you. This is all a trick to minimize the thing that’s making them uncomfortable. All detransitioning is going to do is make you more likely to go for the rope, OP