From a genetic perspective, we typically look for something slightly different from ourselves when it comes to potential mate. But what we find attractive in our eyes, hands and heart may not be exactly easy to reconcile when culture, ethnicity, religion et cetera are involved. But let's not a little thing like severe misunderstandings get in the way. Helen Fisher and our experts discuss what pitfalls to look out for and how to get by them when you're dating a member of a different tribe.