Cordial, yes. Businesslike? Well, I understand that you have business to attend to...just remember your controlling nature and try to squelch that. There is a way to get the things you want/need without manipulating someone/a situation.

What else?
Well, what parts of you did he fall in love with?
Give him nice little glimpses of that again.

And yep, I agree that he is probably loving OW's idea of him.... We do gravitate towards those who make us feel good about ourselves.

The beauty of that situation though?

When you know deep down that you don't deserve it, you become unfillable once again. And then you can move on to another starry-eyed lover, or you can do the work on yourself. Thank God I chose the second option....