I have a couple of experiences on the same line.
One was an elderly sister who's husband died, they had been married for 50+ years. It was noticed by an Elder that she had removed her wedding ring, he asked her why. She said that as death ended the marriage why should she wear the ring. The elder said wasn't she going to welcome him back when he is resurrected. She said, she'll welcome him back. But according to WT teaching they will not be married and he will not be able to marry. So as far as she was concerned she is a single woman and if she get through Armageddon she will be finding herself a new husband.
The other one is of a young couple in their late 20's, got married. Three months later she woke up one morning and he was dead, thought to have been the Adult version of "cot death". Shocked everyone. Of course she continued in the hope that she would see him in the resurrection and be reunited with him. A hope she kept for years. Then some tactful JW said to her it was no use waiting for him as he would not be allowed to marry her in the new system, and that she had better find someone else while she was young enough.
Does this mean that the millions of people who will be resurrected, according to the WT. Will be wandering the earth with no husband or wife. Watching the JW's who got through Armageddon marrying, having sex, having children etc. I'm sure their eternal earthly life will be great fun for them.
Another thought what about all the children who have died. Imagine a JW child who died because of not having a blood transfusion. They get resurrected congratulated on their fine stand (even though it was their parents who made the decision) etc. Then told you can now grow up in a paradise, but they will never be able to marry.
It will cause a two class world those who can marry etc, and those who can't. Will this cause resentment between the two classes?
Or will as some JW's say God will take the feeling for marriage and sex away from the resurrected ones. But isn't that interfering with a persons free will.