Leonardo da Vinci went from one project to another and didn't finish a lot of what he started either!
I heard Mark Lipinski speak at the Canadian National Quilt show this spring and he said that people who design fabric, patterns, and write books aren't primarily getting you to make quilts, they're selling a dream. Some of us may not produce a lot but when we buy new fabrics and plan what we are going to do with them, we are dreaming lovely dreams
If you can afford it and are enjoying it, then quilt a little and dream a lot. If you are feeling oppressed or bothered by your fabric collection, then follow some of the good suggestions posted by other collectors on this board to pare down your stash.