My heart goes out to this Man. However, if no undue pressure was applied and he was able to comprehend, I think it is a lost cause. "Caveat Emptor" applies ...Let the buyer beware. Read EVERTHING before signing ANYTHING.
My Dear departed Grandmother had this impossible conundrum...
Why does a Mouse when it spins??
Because the higher it flies the fewer!!
I didn't get it , nobody gets it, but it has some sort of crazy charm.