Girl's Behavior

Girls, How many of you don't wear socks in shoes? How often do you do it?

My girlfriend seldom wears socks and I wanted to know if it's common. It took me some time before I realize it because we first met in summer and she was always wearing sandals. But, one day, she arrived at my house with a pair of converse and removed them a the door. I was very shocked she wasn't wearing socks ! I asked her why while she was walking barefoot in my apartment. She answered she has rarely worn socks and doesn't see why she would. Her feet actually don't sweat and don't smell, that's why she's always found useless to wear socks. She can wear all her sneakers, boots or heels like this.
For the three years we're together, I've seen her wearing socks only on few winter days at home due to the cold floor but never wore them outside. She sometimes wear pantyhose when it's very cold outside but can't keep them at home.
I'm asking if a lot of girls don't wear socks like this because most seem to wear socks most of the time.
Girls, How many of you don't wear socks in shoes? How often do you do it?
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