If you're one of us who often do cold approach, girls that like you will start testing you by asking this question:
You could say "yes", but if you want to make her feel special you should cater the answer to the situation.
In this way you answer without giving her a definitive "yes" transitioning to the situation at hand. Usually, if she really likes you, shell say something like: "I like that you did that" or something like "that's cool". Then moving to another topic works best. If she does, she accepted your answer and you can move on from there.
Do you usually go out, picking up girls?
You could say "yes", but if you want to make her feel special you should cater the answer to the situation.
Only when I am inspired. I just had to come over and talk to you
In this way you answer without giving her a definitive "yes" transitioning to the situation at hand. Usually, if she really likes you, shell say something like: "I like that you did that" or something like "that's cool". Then moving to another topic works best. If she does, she accepted your answer and you can move on from there.