I had sex with a woman I met during a dinner. We've been togheter for three years. I don't hink that we can find some rules on this. It depends on the persons, on the situation, on a lot of things as somone has already told.
I usually let the things to go and I try to do this without thinking about it before..
I would say it depends. If there are great connection and chemistry and you two feel the same, it is not a deadly mistake. He will definitely call you back if it was amazingly good. However, if you do get his call, make sure to put break on by not jumping straight into the physical scene again. You have to get to know each other in order to develop a serious relationship. You still have chance to gain respect from your man if deep down you are a respectful and respectable person. (I need to follow my own advice :))
if i want a serious relationship with you know i would actually make you wait because i want you to get to know me inside and out now if i want a booty call i would just go to a club so booty callers dont hit me up you get me acting like a nun however you spell it lol no sex from me you get tested first then sex after you fall in love with me.