Can someone please help out a young man with high functioning autism?

I have high-functioning autism. Throughout my life, it has been a challenge to read social cues. When I was in middle school and high school, I had traumatic experiences. I went from a diverse public elementary school where I made all of my friends to a small private middle/high school where I connected with nobody. Nobody was interested in being my friend, even before I opened my mouth. Everybody was close-minded and iced me out of everything. Now I am in college, and I have finally found friends, especially on my track team. There is a girl on the team named Dana, and she was my first friend on the team, and she still is.
I feel like Dana and I was meant to be friends. We have countless inside jokes, our personalities complement each other, and my energy levels increase when I am around her. We sometimes look at each other and start laughing just because. Last weekend at a party, I wasn`t feeling 100%. I think she might`ve picked up on it; she came up to me 3-4 times during the party to see how I was and told me, at one point, I was her best friend on the track team. I remember I replied by asking her if she was drunk because I didn't feel like I was worthy of a friend like her or a friend, period. At that same party, a guy who was utterly wasted said that she was his best friend on the team even though she and I were always together at practices. The Monday after the party, she and he seems to be bonding and getting closer together. They talk about getting together and having a smoke together and going to parties together. I am not a drinker or a party person. I try to initiate plans, but Dana seems to either be busy with work, or the activity isn't her thing. I always worry that I will lose my friendship with her, and I don't want to. Someone, please give me advice on how to navigate this friendship and friendship period.
Can someone please help out a young man with high functioning autism?
Can someone please help out a young man with high functioning autism?
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