This. Though I also may be old and crusty. Mark Twain said it nicely: "If you have to eat a frog, do it first thing in the morning. If you have to eat two, eat the bigger one first."

The longer you wait to do something you should but don't want to, the more difficult it will be to do. On top of that, you'll have the mental "weight" of knowing in the back of your mind it's sitting there, waiting for you. Best to just do it and get it out of the way.