In terms of cheating, you are only looking at the US data where people have so many relationship prior to their committment that they are used to that lifestyle. I think cheating is also directly related to number of relationships one have had in their life. and you tend to compare and be unhappy and cheat/leave your partner. It is impossible for my parents to ever cheat because they only had each other as partners till now but if you ask me, i could be tempted becasue i can compare my husband to my ex-Bfs and see his weaknesses.

Well, one of the reason i feel that Asians are advancing today is becasue we are more committed and have stable relationships in our lives, same father and mother, same society. You will see a lot of problems in US in few years when all these single parents kids grow up because they never had a mother/father in their lives.