When he inserts himself into Signs, Shyamalan makes himself a launching point for the main character's backstory. We learn that Rev. Graham Hess has lost his faith after someone struck his wife in a vehicular accident and killed her. Yep, you guessed it: that someone is Shyamalan. Cue an emotional scene in which the director reveals that he trapped an alien in his pantry, that they seem to dislike water, and that he's sorry he killed his wife. Let's just say the emotional scenes should be left to the professional actors.