Her smell, I fell in love with

I have a question about the scarf in the end, so please do read, it's a short one.

I have a bi female friend who occasionally stays over at my place when my parents aren't home and everytime she came, I would've made her a new bed with new sheets and all.

But this changed after she came over the other day, after having knitted me a scarf for my birthday.

- bare in mind, she only knitted a scarf for her last gf and she dumped the scarf -

We were watching a movie in the living room and I asked if I should make her a bed here or in the other room, and me having already made a bed for myself with the sheets I use, she just said, don't bother you've already made this I can sleep there. And I was like are you sure I can get you like new sheets and stuff and she insisted to sleep at my bed.

Anyways I slept elsewhere and the next morning, I dropped her at work and when I got back to my bed, dear god this was the sweetest, the most delightful smell I've ever smelled. I mean like we were hugging with her and all since we've known each other for like two years now and I know all about her all ex girl friends and stuff and I would you know, like the smell of her but on my pillow and all over the sheets it was something else.

Since now all I've talked about is apparently biological since there are immune system genes and stuff and people are attracted to those with the most opposite immune system genes to increase the likelihood of a healthy child etc etc. these are all science

But I think I love her and I'm not sure if I love her. Guys her and I when we first met we were like flirting and then she got back with her ex and I kind of got friend zoned but I've always felt and my friends also reciprocated that she cared about me more. And her knitting a scarf for me for my birthday, choosing to stay at my bed, not backing herself off when I like lay my hands on her shoulder and all, Idk this all seems like she indeed does care for me, but I don't know if this means she fancies me or not? I literally couldn't stop thinking about her for one to two days until the smell faded away and now I really want a relationship with her. like I really feel safe around her, and I know her as a person in her own relationships and feel like we can really get along. She also has these beauuutiful big eyes with lashes so long and she just looks really cute when she smiles. She isn't hot beautiful, rather she is pretty beautiful and that I really like about her. Thx for reading thus far, can you comment, pretty please?