This is from one of the more memorable (painful) scenes in And Never Said A Word. Narration is of the wife:

"Fred," I said, "I don't think there's anything more to discuss."

"No," he said, "you're right. It would be wonderful to see you again in a life in which I could love you as much as I do now without marrying you."

"I was just thinking about that," I whispered, and I could no longer hold back my tears. He came quickly around the bed to me, put his arms around me....

"Oh, Fred," I said, "do think about the children."

"I am thinking about them," he replied. "I think about them every day. Won't you give me a kiss?"

I raised my head and kissed him. He let go of me, helped me into my coat, and I packed our things in my bag while he finished dressing.

"The lucky ones," he said, "were those who did not love each other when they got married. It is terrible to love each other and to get married."

"Perhaps you're right," I said.

Saying the final 'goodbye', as all lovers must at some point, whether from separation or at the end of life, would be a lot easier if you didn't truly love the other person. And what choice is there but to bear the suffering? The writing also reminds me of Hemmingway a bit.