My boyfriend "playfully" slapped me on my face it stung and Im worried. Is this a bad sign?

Anonymous
We wre being playful (not sexual) and we were just tickling eachother and goofing around, suddenly he slapped me on my face and it hurt. It wasent a hard bitch slap but it stung and it was so random. I was upset and he apologized and kept saying he was just being funny and playful. I forgave him but i keep thinking about it and am worried that this is a bad sign of who he is. I'm sad thinking about it. What do I do? Should I be worried?
My boyfriend "playfully" slapped me on my face it stung and Im worried. Is this a bad sign?
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