Twiddling My Thumbs

My girls (12 and 14) have been sewing, sewing, sewing.  I've done a little school with 8yo but mostly I've been letting her play.  With all of them busy, I've had to make myself find something constructive to do besides sitting around twiddling my thumbs.  I'm a big worry wart when I have time on my hands, so I'm trying to stay busy with cleaning the house.  When I say "clean" I really mean "declutter."  Of course the house needs to be cleaned but just a few decluttered surfaces has helped me feel better about the house.  As I look around at how much better it looks, I wonder why I don't keep up with it.  I can't seem to find a balance between homeschool and housekeeping.  It seems to be all or nothing in either direction.