What are the advantages to leaving him, i.e., what will you gain in time, freedom, etc., by having him out of your life? On the flip side, what are the disadvantages of keeping him around?
Make a list of 100 things you like about him, or your relationship with him, and another list of 100 things you hate.
Make a list of 100 things you like about him, or your relationship with him, and another list of 100 things you hate.