The meaning of that phrase is more related to magnets than relationships.  It's more meant as a phrase for some relations that it does happen in.  I happen to be more attracted to women that I have more in common with.

I don't think that any American, whether their ancestors owned slaves or not, should feel guilty about what happened then.  That would be like saying that people with German heritage should feel guilty about the holocaust or Christians should feel guilty about the atrocities of the middle ages.  Throughout human history, mankind has used slaves.  … Read more