Should slapping be an automatic dealbreaker in a relationship?

In my opinion, yes, I do believe it should be a dealbreaker. In your opinion, should slapping be dealbreaker if the relationship has lasted a long time? What if it was “just” a slap on the cheek? It could be a girl slapping a guys’ face or a guy slapping a girls’ face? Your guy’s thoughts?
Should slapping be an automatic dealbreaker in a relationship?
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