>> For example, it may be that having lots of different sex partners before marriage doesn't "lead to" a worse marriage, rather perhaps those who tend to have l

>> For example, it may be that having lots of different sex partners before marriage doesn't "lead to" a worse marriage, rather perhaps those who tend to have lots of different partners may just be less happy with an exclusive arrangement. Either way, if you're looking for a long term relationship you should avoid those with high body counts. In some cases causality doesn't matter but you get an indicator either way.