If you reject a guy and he responds by shutting out the world by switching his phone off and being angry & disappointed does he love me?

He was never angry towards me but basically didn't respond not even to his boss for half a day when usually he's in instant contact. Why is he so hurt? We never kissed or anything
If you reject a guy and he responds by shutting out the world by switching his phone off and being angry & disappointed does he love me?
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