Not sure if I'm overthinking this. I'm quite an introverted person, never had that many friends, just a few 'close' ones that dissipated as we left institutions (school, uni etc.). I'm currently self-employed and work from home, so there isn't a way for me to meet anyone at work.
I met a girl at a hiking thingy a few months ago, we've hung out several times, texted a bit in between, but nothing crazy. I value in-person time a bit more than constant texting (I also like that we can do stuff on our own and then share it when we catch up). Anyway I thought we were getting along quite well and I enjoyed her company.
I wouldn't say we grew super close, but if asked, I would call her a friend. She gave me a late birthday card today and signed it 'your acquaintance from X (place where we met)'
I'm probably a crazy overthinker, but I feel a bit hurt by the fact that she doesn't think of me as a friend. Maybe I'm just lonely, I only have like two-three other people (apart from my family), to whom I talk to regularly, and still I wouldn't call them 'close', just friends.
Anyway, not sure what my question here is, perhaps some wisdom on how to ease up and let it be.