Is forgetting your past and moving on, the smart thing to do?

Yes, but you can’t skip the becoming ‘self-aware’, healing, and developing new, healthier attitudes/behaviors/coping/skills/goals.

yes it is the best way but sometimes easier said than done . somethings things are traumatic and hard to let go as they have scarred you deeply [stormychan]

No dealing with it and respecting that it cannot be changed and moving on when you’re ready

Depends. Generally yes, but YMMV.

Yes. Its the least painful.

Absolutely