Explain
Black holes in terms of a bath plughole
A black hole is essentially just the universe’s most aggressive bath plughole, except the rubber seal has been replaced by a crushing gravitational singularity.
Everything works fine until you cross the event horizon, which is the cosmic equivalent of the point where you realise your shampoo bottle is going to get sucked into the drain along with the lukewarm water. Once you pass that ring of no return, the physics of your bath time change dramatically. Your toes, your exfoliating loofah and your dignity are all elongated into a thin, spaghettified stream of atoms, spiralling down into the dark abyss with the same undignified haste as a stray pubic hair heading for the U-bend.
If you were watching from the hallway, you would see your friend frozen at the edge of the drain forever, slowly reddening into a sort of infrared blur because the light cannot fight the suction to reach your eyes. It is essentially the ultimate awkward moment, where you are trapped in a state of permanent, pixelated transition while the rest of the galaxy continues to get on with its day. Meanwhile, the black hole itself remains perfectly indifferent to your frantic paddling, keeping its mass entirely contained in a point so small you could fit it inside a digestive biscuit.
It is deeply unprofessional, really. You hope for a dignified exit into the afterlife, but instead, you get pulled apart by tidal forces and flushed away like the last dregs of a bubble bath. It makes the prospect of a shower feel significantly more existential, doesn't it.
Where the analogy breaks downA bath drain leads to a sewer pipe, whereas a black hole does not have an exit.