How long is normal to stay mad at your partner?

My partner has been mad at me for over a week so far. I have apologised so I’ve just been ignoring the fact he’s mad and acting normal around him to see if it will help. It hasn’t really helped he’s still mad but I’m not sure what else I can do if I apologised.

Is like 8 days too long to be mad at your partner? It wasn’t over a serious issue, no cheating or lying or anything of that sort

How long is normal to stay mad at your partner?
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