Read this article and I thought it would make an interesting discussion. I'll try to sum it up as best as I can.

John and Sara used to date years ago, mutually ended the relationship (just weren't a good romantic fit for each other) and still remain very good friends. John becomes a successful businessman and amasses a large amount of social security. Sara marries, divorces, and while not as financially secure as John, she just manages to make ends meet on her own.

Years later, John and Sara are now in their 60's. John is diagnosed with terminal cancer and isn't expected to live past a year. He never married and has no children so the social security he's spent years building will ultimately be lost to the government. Not wanting that to happen, John tells Sara he wants to marry her so that once he dies, she'll be able to collect his social security as his widow and will have enough money from that to be financially secure for the rest of her life. Neither is romantically in love with the other, but both care about each other a great deal as friends.

So I guess the question is, would it be wrong for the two of them to marry in this situation since it's not a marriage based on love but mostly a marriage of convenience? I've always believed you should only marry for love but this actually made me take pause to think of what I'd do in this situation.