Step 2 was to start trimming down the brim of the box as he moved it. Eventually he affixed it atop the toilet with string. “Don’t bug the cat now,” he writes, “don’t rush him.” ...

The second, Toilet Train Your Cat, Plain and Simple, is by Clifford Brooks, a Silicon Valley writer who says the process takes three months and loads of patience but is well worth it.

A file photo of a cat using the toilet. The internet has been left in stitches after a picture of a cat who taught himself to use the bathroom captured viral attention.