I am 5'2, 105 lbs and yesterday was my first time going to a nightclub?

You may not have realized it, but at your height and weight, as well as the fact that you mixed so many different drinks. You were most likely extremely drunk. Drunk people tend not to notice when they are incredibly drunk, you are lucky that you met a guy who tried to help you rather than taking advantage of you as some men at the club would try to do to a drunk woman.