It's not your job, nor even within your capabilities, to make him see beyond his pain. His pain goes back way before your "A" and all you can do, if he does finally face it, is watch. You can't defeat his demons for him, and he does have demons.
Jeez Joe, Replace the him/his/he with a generic S and you can post it on every thread here! Universal advice that alone is worth the price of admission.