I give away almost all the quilts I make, so I usually have a specific person in mind as I'm sewing. I like to imagine them using their quilts, and that helps me get each project done.
My bad habit is that I don't have my fabrics sorted very well. I usually buy fabric for a project and then discover that there was something in my stash that would have worked just as well. I need to make myself get it all sorted and start using some of it.