re: How do men move on so fast???!!
Maybe it ended in his heart/mind sooner, and he was just going through the motions with you, OP. That happens sometimes, when one person is ''done'' emotionally, but the relationship hasn't ''officially'' ended. That, or he is a narcissist, and they tend to jump from person to person, just to not be alone. But, if he was a good guy, and your relationship just ended, then he probably was over it before it actually ended, if that makes sense?
''Sometimes, you fall in love with the most unexpected person, at the most unexpected time.'' - Unknown