When is a relationship beyond repairing. Can you keep going anyway into old age?

I'm 5 years from retirement

I'm not in a happy marriage

I feel slightly trapped because to end things would be awfully difficult

To continue is tolerable

I could go to counseling. I know they would say to end things and create happy life. Generally I'm a risk taker. But starting over age 60 seems too much.


How did I get here you might ask. I spent the last 22 years raising 2 daughters and that was fulfilling. Now they are away on holidays. They'll be back next month but eventually they will move out
When is a relationship beyond repairing. Can you keep going anyway into old age?
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