"Two Horses" joke

A guy walks into a bar with a sad look on his face. As he walks up to the bar the bartender asks, "What`s the matter?"
The guy replies, "well I`ve got these two horses, and you see... I can`t tell them apart. I don`t know if I`m mixing up riding times or even feeding them the right food."

The bartender, feeling sorry for the guy, tries to think of something that he can do. "Why don`t you try shaving the tail of one of the horses?"
The man stops crying and says, "That sounds like a good idea, I think I`ll try it."

A few months later he comes back to the bar in worse condition than he was before. "What`s the matter now?" the bartender asks.
The guy, sobbing, answers, "I shaved the tail of one of the horses (sob, sob), but it grew back and I can`t tell them apart again!" The bartender, now just wanting him to shut up or leave says, "Why don`t you try shaving the mane, maybe that will not grow back."

The guy stops crying, has a few drinks, and leaves. A few months later the man is back again in the bar. The bartender has never seen anybody in this sorry of a state. Without the bartender even asking the fellow breaks into his problems. "I.. I shaved the (sob) mane of one of the (sniff) horses, and... it... it... grew back!"

The bartender, now furious at the guy`s general stupidity, yells, "For crying out loud, just measure the stupid horses. Perhaps one is slightly taller that the other one!" The fellow can not believe what the bartender has said and storms out of the bar.

The next day the guy comes running back into the bar as if he had just won the lottery. "It worked, it worked!" he exclaims. "I measured the horses and the black one is two inches taller than the white one!"