I look at the pictures some days. I too am on a fabric diet. I rarely buy backing for my quilts either. There is way too much fabric in my sewing studio. I piece my backs from what I have to use up some of my stash. I just finished a twin sized top for my GS. I found 5 pieces of white Kona to use in it. I needed one more 1 1/2 inch strip to finish. I bought one FQ of the white and 1 yard of blue solid kona to make the entire quilt.
I have been trying to only buy what I need for my current project. Nothing for future projects because they often don't ever get made.
Good Luck with your fabric diet!