I will try to keep this very simple and to the point. The man feels regret for how he treated his former lover. I do not believe he physically mistreated her, just emotionally. Some time later, after regretting this all that time, he tries to repair the damage he did to her emotionally, but the chasm was too deep and wide, no bridge could be built across it. I think he genuinely wants to apologize and make it better, but she is still too hurt to make this possible.
I will try to keep this very simple and to the point. The man feels regret for how he treated his former lover. I do not believe he physically mistreated her, just emotionally. Some time later, after regretting this all that time, he tries to repair the damage he did to her emotionally, but the chasm was too deep and wide, no bridge could be built across it. I think he genuinely wants to apologize and make it better, but she is still too hurt to make this possible.