I have a good credit score (780) while my husband has a 645 due to a bankruptcy in 2005 which was brought about by student loan debt (he is now completely debt-free–very unusual for student loan cases but he was extremely lucky and had special circumstances). He’s applied for a few credit cards, cards that supposedly don’t need great credit but he keeps getting turned down.
If I add him to one of my cards will it help improve his credit score? Will it harm mine? Will it do anything to either of our scores?