Yelled at my dog and feel bad...?

I was trying to brush my little Shih Tzu and he bit me. It hurt and I just instantly yelled at him and then told him no. He looked surprised and scared. Now he is sleeping in the corner, ignoring me. Usually when I move, he looks up to see what I'm doing but since i yelled at him (about 45 minutes ago), he... show more I was trying to brush my little Shih Tzu and he bit me. It hurt and I just instantly yelled at him and then told him no. He looked surprised and scared. Now he is sleeping in the corner, ignoring me. Usually when I move, he looks up to see what I'm doing but since i yelled at him (about 45 minutes ago), he has not acknowledged me the way he usually does. I know Shih Tzu's are smart but how long do they hold a grudge, if this is what he's doing? Or perhaps he is sulking because he thought he was alpha?
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