If you have to go back to the house after something forgotten, you must not sit down, but stand a moment or two, or else it is bad luck.
Cape Breton.

If you have to go back to the house after something forgotten, you must not sit down, but stand a moment or two, or else it is bad luck.
Source: Current Superstitions (1896), entry 661.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.