I was asked about someone who is an active, faithful man married to a non-member wife. The issue is their chances to receive all the blessings associated with an eternal family, despite the spouse’s lack of faith.
From the question it is apparent that the person has first, has accepted and believes in the Gospel of Jesus Christ. Second, is living everything they can at present. Third, would gladly take the spouse to the temple if the spouse were willing to go and enter into the covenants there.
This, once again, is a Section 137 issue in which the person qualifies for everything which they would have gladly received, had the circumstances permitted it:
6 And marveled how it was that he had obtained an inheritance in that kingdom, seeing that he had departed this life before the Lord had set his hand to gather Israel the second time, and had not been baptized for the remission of sins.
7 Thus came the voice of the Lord unto me, saying: All who have died without a knowledge of this gospel, who would have received it if they had been permitted to tarry, shall be heirs of the celestial kingdom of God;
8 Also all that shall die henceforth without a knowledge of it, who would have received it with all their hearts, shall be heirs of that kingdom;
9 For I, the Lord, will judge all men according to their works, according to the desire of their hearts.
By continuing to be loyal to, supportive of, and loving toward the non-believing spouse the husband is living an example which will, in the Day of Judgment, be credited him for righteousness. This is particularly true when the husband remains loyal and faithful to her when she does not share his faith. It reflects credit on his character to do so. I cannot help but believe the Lord is pleased with such a man.
Finally, who knows but what the spouse will, at the end, convert and all the blessings be sealed upon them while still here anyway. Life is not over yet. There is something compelling and convincing to even a skeptic of the Gospel when they see someone actually live it.