Got carried away and lost sight of the purpose of the thread......these have worked for me, "Let's go back to my place, we'll come back before last call."
To get them back to my place, I've used, "Do you like dogs?(doesn't matter what the answer is) Well you have to meet Rocky(my rottweiler), he's got personality. We can take him for a walk."
To get them to my room, start talking about movies, "Let's go to my room and watch so and so movie."
If it's getting hot and heavy and the girl is not sure if she wants to go all the way, I say, "I won't do anything you don't WANT me to do." Then continue with what I was doing. That has worked everytime I've gotten that far. Unless the girl is just playing hard to get