I am going to show you how to mend jeans. Recently Steven was wearing a still-pretty-nice pair of jeans and somehow ripped an L-shaped hole in the knee. So I decided to mend them as I was taught by my mom, who over the years raised three boys on a farm and mended countless torn jean-knees. I think she even patched patches at times. After I had a little boy who wore out knees, I asked her to teach me how to patch pants. There's something very satisfying about taking a comfortable, torn, pair…