You sure about that, I have heard similar but that Imam Bukhari told the man as a friend on the boat.

Well anyhow from the book I was reading there is alot, aparently Bukhari went blind as a kid aswell then his site was restored, he also was tested with 100 hadeeths and so on that test was cool read about it and alot of other stuff, that once he was praying and when he finished he lifted his shirt and asked his companions or friends if there was anything on his back and he had some 16 or so bee stings or wasp, and he jus said that he liked the recition so much he didnt wana cut it short.
BUT HIs MEMORISATION POWER WAS GREAT