Count a hundred white horses during leap year. The first man that shakes hands with you after you have your hundred will be your future husband.
Bedford, Mass.

Count a hundred white horses during leap year. The first man that shakes hands with you after you have your hundred will be your future husband.
Source: Current Superstitions (1896), entry 201.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.