i always wonder when the world is renewed and we become immortal whether those who haven't will be allowed to get married
The saints will put off the flesh, and obtain a glorified body.
The only thing that separates a man and a woman is the flesh, the soul, and spirit, are the same.
All spirits go back to God who gave them regardless of how the person acted on earth, so the spirit is not part of the saints in heaven.
The soul will live on with a glorified body.
There is no gender in heaven, but the saints are the same, a soul in a glorified body, so there is no marriage in heaven.
That is why Jesus said that the saints will not marry in heaven, but are like unto the angels, which the angels have no gender are are neither male, nor female.
There is no female angels, but the angels have masculine names for they are greater than people.
There in no gender in the spiritual realm, only the natural realm, the flesh.
But when people are at the new earth, the New Jerusalem, the final destination of the saints, the former earth shall not be remembered, nor come to mind, for it is associated with sin, and rebellion.
So the saints will not remember anyone, or anything that occurred on earth, so they could be standing next to their spouse from earth, and would not even know it was their spouse on earth.