It may be that it helps him focus on the actual feel of what you're doing to him! And he may just be really enjoying it! Don't worry! Pretty normal to enjoy that!
Some guys close their eyes to focus on how damn good it feels. Don't be offended.
It may be such an intense feeling that he closes his eyes to take it all in. I wouldn't worry about it honey, as long as he's enjoying it
He probably does it out of pleasure and concentration. Everyone has their own sexual etiquette
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He may feel a bit shy or he wants to feel it fully, closing eye can be feel more to some people, i am not like that, i like visual.
cause it feels really good
He was enjoying the feeling of it. Maybe he does not like seeing your face down t here he might think it looks degrading.
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