There are few ways to relieve your mind of bad memories.
- Write them out and reread. Our brains reorganizes thoughts as we reread our selves.
- Talk/chat to a close friend (who understands you) or complete stranger (who knows nothing about you). The idea is to vent out and not to get feelings.BeBe Naked and don’t hide any feelings.
- Rewire your mind by revisiting memories and tweaking them Search google for more info. Rewiring of brain is possible and is known to work in many post traumatic disorders.
https://hemantpandeyblog.com/2017/11/12/what-should-i-say-when-a-girl-wants-to-break-up-with-me/