Search Results: first friends church

So a few months back, I met this girl at a good friend's party who I had a crush on (I see her in church from time to time). She happened to be his cousin. At first we didn't talk much, but eventually we started talking, with my friend present of course. We did make eye contact much during the conversation. But she didn't talk to me directly most of the time. Later, she commented that I had long eyelashes. I smiled and asked her if that was a good thing. She said that if I were a girl, I would be a pretty one.

Two weeks later, she added me on facebook. She started talking to me a few days after when I was online. She responded with lots of emoticons, "hahahas" and "awws". When I responded to her jokingly, she said that she foresee us as being good friends, as a joke in response to what I said
But she also took quite long to respond to my messages sometimes. She told me that she was busy out whole day so there's that. Keep in mind, we only talked on facebook

Fast forward months later, which was a week ago. I met her briefly and I commented that I liked her hair. She thanked me, and told me the exact same thing at the end of the conversation.

I don't know if I'm overthinking this or anything. Am I being reasonable with an assumption that she could be interested in me. Should I just drop it?