How do I get over the bad memories of the horrbie bosses I had?

i worked for a pool company for six years i left march of 2023.
during my time i had two bosses one from 2019 to dec 2022 he got fired.

then i had his replacement from jan 2023 to march 2023 two months as i quit.

during my time the longest boss would make rude comments.
one of them i remember.

i said something like i could back to the discount store i used to work at & make 16 just stocking shelfs & pay all my bills.
he made a rude comment i think there is something wrong with you if you think like that.
i was his assistant manager i hate it.

then the next boss i had for only a few months before i quit i give noticed as soon as i did the new boss count my hours down to noting.

i stayed a month to help the new boss. then after i left the new boss told people who would call people to asked about me. the new boss said i dont not leave on good terms.

all of this made me hate finding a new job i have been off of work living off my sayings. how do i force myself to start looking for a job?

How do I get over the bad memories of the horrbie bosses I had?
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