Burn your bridges.
[Idiom] BURN YOUR BRIDGES. - Learn the Consequences of Ending Relationships Abruptly
End relationships negatively.
Burn your bridges" means to irreversibly damage or end one's relationships or opportunities, particularly in a dramatic or comprehensive way. This idiom is a strong warning against destructive actions that leave no possibility of return or reconciliation, emphasizing the permanence of such decisions.
Example Sentences
He burned his bridges with his last employer by leaving without notice.
After that argument, I'm afraid she may have burned her bridges with her colleagues.
Charismatic but reckless, he's known for burning his bridges wherever he goes, leaving a trail of strained relationships.