Do girls start to copy your ideas or style if they have a crush on you?

I've noticed this younger lady in my office started bringing a rucksack to work instead of her usual assortment of several bags for work. Then a few she started wearing a really similar dark grey hoodie to mine. A few people in the office jokingly highlighted how similar her new stuff is to mine.

Is this a sign she has a thing for me?

Do girls start to copy your ideas or style if they have a crush on you?
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