@Lifecraft and @Alsohuman
I am in 2 minds about an atheist, and a person with a belief in Christianity, being a couple. I think it depends on the individual people in the couple.
I know two couples who are like this (in both couples it''s the women who is the Christian.) Both women are pretty chilled and laid-back, and have their faith, and their love for Jesus, and they attend Church a couple of times a month, and do good deeds in the community, and are generally very nice people. They get on with non-believers, aren't homophobic, and aren't preachy. I call them 'Cool Christians...'
They get on really well with their non-believing husbands, and neither of them disrespect the other, or tell them they are 'wrong,'
Then I know a couple of other women who are OBSESSED with everything involving the Church, involved in everything, looking down their noses at people who don't attend every event (every time the Church is open,) quote the bible every time you talk to them sneer at people who 'use' the Church for their weddings and Christenings, and say being gay is a sin blah blah blah. Now THEY would never be seen DEAD with a husband who is a non-believer.
So as I said, whether it can work, is dependent on the individual people. There is no one-size-fits-all... 