Girls, if a guy is caring and sweet, would that make you friendzone him?

There's this girl that I like at work who's super introverted and reserved. I deleted her number in the past because we just didn't use to text and we didn't use to meet each other that often. Then on New Year, she wished me and then we talked on phone for a very long time (more than 3 hours). After this, I've upped my efforts and we are talking everyday. I am afraid that I'll be friendzoned.

Girls and guys, please help me out.
Girls, if a guy is caring and sweet, would that make you friendzone him?
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