It is often assumed that because love is the greatest thing, it is the only thing.
A married man falls for a woman who is not his wife. “I love her,” he pleads. “And she loves me. I’ve never felt the same way about anyone else before. We were made for each other.”
The same appeal may be used by a homosexual couple: “We love one another. Why would anyone wish to deny us full expression of that love?”
Let us assume that, in each case, the feelings amount to more than infatuation or lust. …