Schnarch in a Nutshell -- Folk Edition

I was listening to The Village (XM-15) yesterday morning and heard a song titled "Two Way Waltz", recorded by Kate Wolf back in 1979. It predates the publication of Constructing the Sexual Crucible by 12 years, but it captures the theme of simultaneous love and hate for one's spouse so well. The song closes with most elegant expression of differentiation of self that I've ever read.

For two ways can sometimes make one,
That's stronger than either alone.
So dancers join hands, for the two-way waltz
But take the steps on your own.