I saw this picture on the Tabletop Role-Playing Games FB page.
This is so true! Other DMs tell me about stuff like this, I have read about it on many RPG blogs and forums, and I have experienced it from play as both a player, and a DM.
In my game with my sons and the girlfriend of my oldest son, they take one thing an NPC they trust says and go with it. It is funny.They make all these big plans, and one little thing turns it on a dime.
I laughed hard when I saw this image because it is so very true!