Where has my imagination gone?

Maybe that's my problem.  I've been spoon-fed plots via TV for so long that I don't have real imagination of my own left anymore.  Or am I just too old?  Parented so long that my imagination just dribbled away to nothingness?  Bored?  Distracted?  Dumb?  Unimaginative to begin with?  Scared?  Tired?  Weary?