Why do men encourage women then when they have them they back off?

This guy was very aggressive when I first met him. He was very adamant about getting my number. I hesitated at first and told him I would give it to him the next time. But he persisted. So I did. After that I told him that I was following my faith and would not think about having a casual ual relationship with him. So he backed off telling me that he went back to his ex girlfriend to resolve his issues. He came back a week later to say that it didn't quite work out and wanted to be friends. So we went out again.. and he was very polite and attentive and was careful not to be too ual. He was gentle and sweet. After the date he texed a cute sentence saying how much fun he had. I was a bit cool and said I had a good time. Progressively over time our relationship simmered to a friendship, but only thing I didn't know he switched gears on me.. but I saw that he was distancing himself from me.. not calling me as much, showing up late to a date; etcetera.. I went with it. Then I started to avoid him.. so he was persistent again with wanting to go out to dinner. We went out to dinner and he gave me a kiss on the lips, which I did not expect. I didn't say anything to him about it.. but expressed my gratitude in an email Next thing.. he started to distance from me again. So I thought about it.. and was feeling a bit angry. I ended up breaking up with him saying that I was starting to have feelings for him, but needed to end the relationship completely to get over it. He asked if we could still be friends I said no, then he asked if he could go to my singles club to which I replied no. I don't understand how he could have even asked me that question.