Guys, Uncontrollable ogling or is "men are visual" an excuse?

I'm seeing this guy I'm pretty secure in except for the area of his eye wandering. Women notice men as well, but to look twice or three times makes me uncomfortable. He makes eye contact with them and I see the women also making eye contact with him as well.
He said he's enjoying beauty, men are visual, and can't help it.
Looking once is fine, but more than that doesn't make sense to me when I'm right there.

Men, what is your take on this?
What is your experience?
What is your experience with your s. o. noticing you doing that?
Am I misunderstanding something?
Guys, Uncontrollable ogling or is "men are visual" an excuse?
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