What does the unicorn emoji mean at least when a female uses it?

I have a FAVORITE FANTASTIC caregiver that uses it all the time along with different hearts and all these different emojis and I don't think I have the guts to ask her what she means by it all. But I love talking to her and I love our friendship/relationship and everything. We have a great time while she's here with me and everything 😄
Please and thank you
What does the unicorn emoji mean at least when a female uses it?
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