Stephanie mentions a cow jack-knifed on the "Harley Memorial Bridge." Following the mention of "Harley's Wake" in the previous episode, this re-iterates the death of recurring character Harley Estin, who hadn't appeared on the show since the end of season six.
The title refers to the song "Falling in Love Again (Can't Help It)" which was translated from the 1930 German song composed by Frederick Hollander as "Ich bin von Kopf bis Fuß auf Liebe eingestellt" and performed in German and in English by Marlene Dietrich.