Is it normal for a guy "friend" to nuzzle your neck while he is hugging you?

This is the first time he has done this. We have only known each other for a couple of months. Sometimes when he hugs me he'll rub my back. He is extremely affectionate and will hug me at every chance he can get. It is very intimate. What do you think?
Is it normal for a guy "friend" to nuzzle your neck while he is hugging you?
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