In an AU where Pinkie barely misses the Rainboom, neither she nor Cheese Sandwich are party ponies. However, Cheese ends up working at the Pie family rock farm.
With no other options left, Trixie takes a job on Humble Pie's rock farm. It's bad enough that she's been reduced to manual labor, but the longer she spends with Humble, the odder he seems to become.
The Choosing Stone; a tradition that the Pie family has used for centuries to find their soulmate. Igneous Rock has to explain to his daughters how exactly it works.
My name is Clyde Pie, and I've never heard of ponies checking into a hotel one by one and disappearing. It exists, and the fact that ponies are disappearing into it ain't the oddest thing about it. There's always room in Hilberts Hot