Sex Quotes in Eclipse

It's an interesting reversal that Edward gets colder when he's sexually aroused. Can you think of other reversals in Eclipse, related to Edward and Bella's sexual relationship?

Aside from religious beliefs, what's so sinful about sex? How does modern media portray sex?

For Jacob, anger and passion are inextricable connected. Is that just because he's a werewolf or does passion always have a violent streak?