Did i screw up my chance with her?

a girl who i went out with a while ago. i and her went iceskatting we had a great time. some how i got her to bring me back to her room. she invited me too sit next to her in a chair with her. we were sitting side by side and her leg was brushing mine. but i did not reciprocate first because it was the first date and it was to promiscuous and secondly because it was to casual too. i am a virgin so i did not want to go fast at all or have a one nighter. we are in college together. after that she has always considered me more of a friend but still seems to be a little attracted to me but not enough. do you only have one opportunity with girls. if i did it then would it probably have been a one nighter since it was the first date or would it have been more?