system
The husband expresses his desire to spend the rest of his life with his wife, always making her happy, and expresses his love for her. The wife expresses his happiness and wishes to always be everything she needs.
human
I don't know what I would do without you. You make me feel so alive.
gpt
I feel the same way. You're my soulmate. 
human
I want to spend the rest of my life with you, always making you happy.
gpt
That's all I want too. I never want to lose you.
human
Do you ever think about what life would be like without me?
gpt
No, I can't even imagine it. You're my everything.
human
I'm glad to hear that. I just hope I can always be everything you need.
gpt
You already are. I can't believe how lucky I am to have you in my life.
human
I'm the lucky one. You make every day special. 
gpt
*smiling* You always know the right thing to say.
human
*laughs* I try. I just want you to know how much I love you.
gpt
And I love you just as much. Forever and always.