Why is every man weak before a woman's beauty?

I am not asking my question in a bad, degrading way against men. It is a known fact that men are strong and never (sometimes) weak. There isn't a thing that will bring them down as much as it affects women. But the thing is, men are so weak for a woman's beauty. They probably wouldn't mind to sweep every step she takes, bring her water when she's not even thirsty, and fan her until their hands expire. Again, I'm not saying this as a bad thing, so don't get offended, but fellas what is the reason and what do you get out of it?
You're right!
You're wrong!
It's perhaps possible, but I wasn't aware of it until you brought it up
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Why is every man weak before a woman's beauty?
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