Personal journal of Doogie Howser, M.D.: JANUARY 12, 1993... Vinnie was sure he was a loser and ended up failing at love. I was sure I was a genius and almost failed at medicine. Sometimes the person who can make the biggest fool out of you is yourself.
The German episode title is "Irren ist menschlich", meaning "To Err Is Human".
Episode title: "Love Means Constantly Having to Say You're Sorry."
Mocks the famous line from the 1970 motion picture, Love Story, "Love means never having to say you're sorry." Spoken by Ali McGraw's character, it was also used as the movie's tag line.