A new story idea every single day.
Ideas can be shit, detailed, loose, tight, scenario-based, character-based, or could just be a single line of dialogue which might later unfurl itself into a glorious tendril of butt-tickling wonder-magic … or something.
Stole this concept from @ryanklindsay.
Check out the previous ideas here.
You buy a new puppy and all seems well until it's just you and the pup and it starts whispering to you, telling you that your worthless and nobody likes you.