Boyfriend said if we kept arguing he would feel like cheating on me?

He said he would end up cheating on me if he kept getting hurt and he didn't want to do that. We have both hurt each other but are trying to fix our problems but we sometimes argue. What should I think about this though? Should I feel mad or just think about his hurt feelings in saying that?
Boyfriend said if we kept arguing he would feel like cheating on me?
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