my wife told me that 2 of her friends from church have told her that their cutting boards have had glue joint failures. i have examined the one, and 2 of the joints have separated along the short way (end grain, rectangular), yet all of the other joints have held together in spite of use and abuse. i could tell by the dryness of this board, that it had not been oiled since the day i oiled it a little over a year ago, and she had cleaned it with hot water. now we have an edge grain cutting board that my wife has used and abused for years, soaked overnight, scrubbed with brillo pads, etc., and it has held together admirably. the only things i can think of with the other 2 boards, especially with the one i had seen, is that it could be a slightly glue starved joint (i use titebond original with all of them, including the one my wife abuses), lack of an oil coating to keep the end grain protected, and quite possibly a trip or two in the dishwasher. any other ideas out there?