Why is setting the right priorities crucial for mental well-being, and how can you figure out what those priorities should be in your own life?

Should I say sorry to my so-called lover for saying he is brainless since his head only has mating although he scammed me, did stupid abusive prank and did crazy drama to me?
Before finding success with these spells, what was the most challenging emotional obstacle you faced in your relationships?
What are some effective ways to put myself first and find happiness after my partner's betrayal?
How can I balance a demanding career in neurosurgery with personal goals like staying close to family and writing a book?