It also has a superpower few sitcoms can claim: a mean sucker-punch to the gut.
Lewis poor Lewis, as our refrain goes has been the most recent recipient of Tandys manic golden-lab advances.
You know, the prying, the forcing of friendship, the accusations of power-grid sabotage.

Credit: Kevin Estrada/Fox
But that was almost three years ago.
Unshakably pragmatic as he is, Lewis knows Mark wont be at their house when he gets there.
At Tandys behest, Lewis leaves a note just in case Mark ever comes back.

So he, too, leaves a note for his favorite person in the world.
And though his brother is dead inside, he tacks it to the front door.
(Lets pause to empathize with the future spawn of Carol and Tandy for a second.
Are there two more stubborn, determined people on the planet?)
I guess really you just remind me of her because of your age.
And because I love you.
(She even dug a tunnel in the wall.)
Melancholy acceptance of a world not everyone wanted.
Tentative enthusiasm for the future.
Boom, boom, boom.