This is a malefunction emergency. Go immediately to the land of shared feelings and be her knight without the armor. Then it will cost you a lot of romance, time and moola to make it all better. Guys bond with their cars, pets, and sports. When a guy makes a commitment to a woman, then he is bonded to her.
Sex has little to do with it.
I know you're going to sit by the phone. Keep your expectations low. Many men just don't know how to end a date with good bye. I'm not stereotyping all men, just explaining some frequent behavior. I need my space Things are getting too close for comfort.