I'm starting to get the feeling that Chip had a long phone conversation with his editor about this very topic. "Look, Chip, if I let you be a couple days late with your comics because of a concussion, then I'd have to let everyone be late if they had a concussion. 
Adam @ Home, 
Cornered, 
Drabble--I just can't take that chance. I mean, I gave Darby Conley time off for his concussion and there hasn't been a new 
Get Fuzzy in five years."