F4TFriday #42 - Dating By Numbers

So, you're on a date and it's going well; very well... The chemistry is there, the attraction is there. All that both of you really want to do at this point is take it somewhere private and move things up to the next level, as it were.

On the assumption that both of you are definitely up for getting down, what we want to know this week is:

Does it matter how many dates you have had up to this point?

If it was clear things were definitely heading in that direction, would it make any difference if this were a first or subsequent date?

What, if any, are your "rules" for dating and sex?