Don’t give out too much information about yourself. Give him just enough to answer the question, but not enough that he would have the complete story. No mentioning of exes, of your dreams, hopes, and fears.
You see, the most important thing to do is to remain mysterious and by doing all of this, you will definitely succeed in it.
Always keep in mind that players are used to getting everything they want, and when they see that this time they can’t have it, they will go crazy.
So, if he asks about your day, give him something indefinite and ask him about his day.
Don’t be an open book, make sure he wants to stay around you so he can get to know more of you.