system
The husband expresses gratitude for his wife's past hurtings and apologizes for forgiveness. The wife expresses gratitude for forgiveness and the husband expresses love for her unconditionally.
human
You know, I always feel so lucky to have you as my wife. 
gpt
*smiling* Why is that?
human
Because I can't imagine ever wanting anyone else. 
gpt
*looks down* I know I've made mistakes in the past. I'm sorry for hurting you. 
human
*squeezes her hand* That's all in the past. What matters now is that we're together. 
gpt
*tears welling up* Thank you for forgiving me. 
human
*wipes away her tears* Always. And you know what? 
gpt
What? 
human
*assertively reaches for her and entwines their fingers* I'm never letting go. 
gpt
*smiling through her tears* I wouldn't want you to. 
human
Good. Because I meant what I said. I'm always faithful to you, and I always will be. 
gpt
*squeezes his hand back* I know. And I love you for that. 
human
*smiling* I love you too, always and forever.