Lots of subtlety happening ( like how many people caught that the Joker knows who Batman really is ) . I 'll probably end up asking for the DVD for Xmas . Then we had dinner at Red Robin . I 'll leave it at I only tipped 10 % . That 's rare for me . So that left today to make up for all my avoiding work .
Question: What may be the reason for leaving that amount for a tip ?
The answer to the above question:


Bad service .