What does this phrase mean "i dont want 2 reopen old wounds, but I really dont want 2 be put in the same position again & dont want to allow it?

my husband asked me to cut off contact with my male bestfriend a few months and asked me to stop texting him. Recently, my bestfriend and i started talking again until he confessed it didn't feel like a good idea to him. So i asked him why? He said that he doesn't want to reopen old wounds or anything, but he really doesn't want to be put in the same position again and allow for it to happen. He knows that my husband doesn't feel good about her friendship.

And he said he hopes i understand. I asked him why he doesn't reach out? he said because reaching out is very risky.

What does this phrase mean "i dont want 2 reopen old wounds, but I really dont want 2 be put in the same position again & dont want to allow it?
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