i know i am chiming in late on this one but either your nut is a liar or she doesnt know what shes talking about LOL!
it will shed. there wont be anything you can do about it. i took that special time to chop it all off. i wore it short for the majority of my life post op. i am just now growing it out. look at it this way, small price to pay. its only temporary and no one will notice it but you...and your pipes!