I know you've had alot of input already, but here are my thoughts. I'm sure that the dog thing was an accident. Your son does know what you put into a quilt. He loves the quilt, you said. They still use it. It was given to them as a gift. Maybe you could take it and repair it - using what like materials you have but if you have to patch it with a different fabric MAYBE they will think about it each time they see the different fabric and realize just how much THEY mean to you and appreciate it a bit more??? Here's hoping... I love to see my give away quilts used. One I gave away I was never thanked for - but three years later when that baby was playing with her baby dolls - I made another for her babies!! She uses it all the time - and quite frankly the more worn it gets, the better she'll like it.