My/Their Face(s)/Reactions When:

(Their faces when) When i explain to them the current plot:

When my players get the plot without me having to explain:

Whenever the powergamer offers his homebrew for the 10th time:

When they kill the valuable NPC (again):

My reaction when my players tell me they liked today’s session:

When their favorite NPC dies (usually saving their asses):

My face when the players start arguing among each other (in character):

Feel free to submit your own My/Their Face(s)/Reactions When