This boy will be so embarrassed will do everything he can to hide it especially if he's around others, If it just you and him he will still try to hide it. If you notice he will me so anxious that you will think he's a pervert or something or be mad at him.
You won't judge him and tell him it's normal. He will just say to wait for it to go away and continue what he was doing.
If you offer to take care of it, he will be turn even more red and can't even get a word out, he will keep telling you that you don't have to but if you insist he will let you, will feel a little awkward after.
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