She and He

He and she

You see, he belongs to she

And in she there is a he.

She is xy

He is only y

If his y mates with her x out of her xy

Then the outcome is xy, namely a she

If his y goes with y of her xy

Then they get a y, a boy

 

But When she marries he

There must be a fission of their chromosome 

Her  xy must disentangle

Into singles of x and y

In order for one to match the single of his y

How the Interface will go

Is much by an accident

So what their offspring is like

Is chance or destiny