That one hatless head was so distraught over being the only head sans headgear that it said; "You know, if I can't have a hat, I'll just not be a head. I'll be a crab claw instead. How would you like that?"
So far Crabclaw Head has cracked 756 skulls, and counting. But among them, not a single hat. That head has the worst luck; I feel bad for it.
the horse was about to to say "because you're an idiot" but since the gallantly attired gentleman astride him did not speak nor was he capable of understanding the remarkably complex and subtle nuances of the equine language (which would have taken him years of diligent study and expensive exams to comprehend) the depth of equine equivalent of sarcasm would have been completely lost to his massive ego and succumbing tragically to testosterone poisoning by ignoring the sign two hundred yards back that clearly stated in large unfriendly letters... DO NOT TAUNT THE HYDRA