My parents have been married 28 years. They've been in love for none of that. Out of a twisted sense of religious/moral obligation, they stay together - their perception of God as one who cares more about the way they appear than the way their hearts are (ironic, since they say my church is the one with too many rules, but I digress).
My husband's parents were divorced when he was three and his mom has since remarried. She and her husband have their difficulties but are a considerably better-matched couple and her ex-husband is very happily single.
What is worse - the guilt and feeling of failure when you finally admit that the relationship is over, or growing old not loving and not being loved, because you feel like it's what's required of you?