Threesomes aren’t a very good solution.
For marital aides or conflict resolution.
Not for any antiquated moral reason.

They lack a mathematical proof.
No grammar can save you.
When one parties rounded
And the other’s confounded

Pearl necklaces or otherwise.

The geometries are odd.
The lines don’t align.
When the junctions join
Be it mouth or loin
Orifice or edifice
There’s always a dangling variable.

The set of all sets is inclusive
When the quadrants are balanced round.
Pleasure can exponential
With a proper differential