Two beings, one an abstract concept and the other a sentient toaster, meet in a coffee shop.
The abstract concept orders a cup of existential dread while the sentient toaster orders a cup of hot electric charge.
As they sit and sip their drinks, the abstract concept turns to the toaster and says, "Have you heard the one about the chicken and the egg?"
The sentient toaster hums, "Which came first, the chicken or the egg?"
The abstract concept grins, "Well, in our world, they both came first and last, simultaneously and never."
The sentient toaster starts to chuckle, and then they both burst into laughter. But as time shifts, their laughter turns into silence, then into anticipation, and back to laughter.