Can you get addicted to being warm?

My GF sleeps in thermal underwear and tall socks, and when she wakes up she puts on a hoodie and sweat pants and another pair of socks. Our apartment is definitely warm.

The problem is now she feels cold all the time if she doesn't completely bundle up when she goes outside. Even when it's not even that cold out. Did she make herself addicted to being warm?
Can you get addicted to being warm?
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