let's see...
girl friend #1 no kiss on first nor second date... on 3 rd date kissed, felt very strange, we broke up afterwards....
girlfriend #2 kiss on first day... with lots of groping... until the security guard kick us out of the school parking lot. sex a couple weeks later..
girlfriend #3 sex two times on the first date broke up by the end of the week...
girlfriend #4 hold hands on first date, maybe kissing (depend on when was the first date). no sex until later... she will be my wife sept.
so i guess ymmv