What is the difference between Michael Corleone’s marriage to Apollonia Vitelli and Kay Adams?

Read also:

• Researchers raise red flag that doctors may be underprepared for devastating new disease emerging in US: 'We want to give the early warning' - Yahoo
• So I’m getting piano lessons and my teacher wants me to get an upright piano instead of a keyboard. An upright piano is way above my price range, so what do I do? And what’s the difference between an upright piano and a keyboard?
• Can a mother forget her child after she puts him or her up for adoption?
• What is the funniest joke you've been told that you still think about to this day?
• For an unpublished short story writer, what magazines or online publications offer the best chance of being recognized?
• When was the first time you felt discriminated against because you were female?
• What’s a mistake most guys make when trying to get a girlfriend?
• In what ways does Islam oppress women?
• What is your most erotic sex story?
• Why do people keep complaining about how some people copy and paste the question before answering it? To me, it's very disturbing and makes me want to block and mute them as annoying whiners.