Do most guys find non thong underwear unsexy?

I wear a thong most of the time, probably 5 days a week and then 2 days a week I'll wear what everyone calls "granny pants" but really they're pretty small knickers, just not thongs. I make sure I wear a thong most of the time with my bf but sometimes there are times when I haven't remembered and turn up at his house wearing whatever knickers I put on that day. Basically, the question is how off putting is it for guys when girls aren't wearing thongs/g-strings...?

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