Will a guy break things off with their dream girl if he feels like he isn’t emotionally stable to be in a relationship yet?

Will guys leave something good when they feel like they can’t be their best self for their girl?
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8 mo
He got out of a toxic relationship before we met & we have a beautiful thing between us but he doesn’t feel emotionally stable right now so he asked to heal on his own & possibly try again in the future when we’re both healed & better.
Will a guy break things off with their dream girl if he feels like he isn’t emotionally stable to be in a relationship yet?
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