Yes, he cannot love and care for both persons at the same time. Since he chooses OW, he has the responsbility to her to love her only. He also has the responsibility to you not to tie you down. Good for you to moving on emotionally. I am not saying he won't come back. But for now, he needs to realize that he cannot have both. I have a feeling he still feels guilty towards OW (mixed with "love"), and he thinks the more "right" way is to D you and move on. He will soon realize (hopefully before it's too late) that he cannot live without you. My H went through that, I think. Take care of yourself. Have a great New Year.