What is up with all of these guys liking feet?

A guy that I have been dating says that he is into feet. He says quite a few guys are. To me, I can understand the other parts of the body (Legs, Rear, Breasts, Etc.), but feet? This, to me is not the prettiest part of the body, which is the reason that we take extra good care of them. Please explain. Thanks.

What is up with all of these guys liking feet?
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