Dear Dis. In Hou.
Sometimes relationships, like so much old bread, grow stale. It's so easy to fall for a newer model because they seem soft and yielding, while old-faithful may seem rigid and unbending. I would advise you to give your faithful old steed more opportunities to prove herself. Think of her feelings- perhaps a new pair of shoes; perhaps a carbon fork if she doesn't already possess one.
If worse comes to worse though, and you can not resolve your difficulties, let her go, that someone else may enjoy her; and that she may enjoy being ridden and cared for by someone who will appreciate her. In such a scenario, it is better to make a quick, clean break, so that there will be no hard feelings or painful memories. If you no longer love her, send her to Stucky.
Oh, wait....the question was for Ann Landers? Darn! I thought you said David (L.) Lander!