If you keep'emm on during sex and your partner has a foot fetish, you might have a problem. .......otherwise, don't worry 'bout it.
I don't know how anyone can think feet are sex-worthy. They are ugly and strictly utilitarian in nature. They are also communistic. They require half the nerves and bones in the body to function but yet they are good for one thing only.
I have a similar view of feet. I'm OCD about peeps shoes in my house. It really grosses me out that shoes have stepped in a public bathroom and now are stepping all over my carpet. *shudder*
Probably just a phase, Undies. I go through some with different things. Some nights I can't fall asleep without the tv on for a couple of months and then I can't fall asleep unless the fan is going and the tv is off. I think Schade is right, it's a temporary sensory anomoly.