There’s a brunette walking down a set of railroad tracks saying,”21, 21, 21…” Then a blonde pulls up, gets out of her car, and says,”What are you doing?” The brunette replies,”Just counting.” The blonde says,”May I join you?” “Yes,” replies the brunette. So the blonde and the brunette are now both walking down the railroad tracks saying,”21, 21, 21…” A train comes and the brunette jumps off the tracks as the blonde gets hit. After the train passes, the brunette gets back on the tracks and says,”22, 22, 22…”