Do girls always use "haha" a lot in texts?

seems like whenever I text this girl, she responds with something filled with so many "haha"'s lol. it's gotten to the point where there is one before every sentence, and after every sentence. Even if I make a comment that isn't very funny, her response will start with a "hahaha"

i don't really mind it, I enjoy it, but I'm just wondering if it means anything? could it be that she just enjoys talking with me? is it a flirt thing?
Do girls always use "haha" a lot in texts?
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