"Unintentional blindness" is when we miss something obvious in our surroundings, because we are so preoccupied with one specific thing. Simply put, it’s similar to when you watch a movie, but can’t remember what happened in the background, because you were so focused on the characters in the foreground.

Originally Shonda Rhimes planned for Derek Shepherd to have a teenage daughter. She was supposed to follow her Dad to Seattle and their relationship was to play a major role in the series. Rimes quickly scrapped the idea, preferring that Derek remained a free agent.

“Remember, when you are dead, you do not know you are dead. It is only painful for others. The same applies when you are stupid.” -Ricky Gervais