Most Helpful Guy
He once stood in your shoes so to speak. He has experienced the grief and heartache of being left by an ex who did so to be with someone new. And now, of course, he harbors the guilt of doing the same to you. So, he contacts you regularly to check on you, which may or may not be genuine. But, make no mistake about it, a part of the reason he contacts you is to assuage his guilt.