A while back, this mug was gifted to me. Appropriate, really: It has survived long use, both at work and at home. Unfortunately, it is dying:The handle is about to break off. I'm not sure what triggered that since I have other mugs that are three times as old as this one and are still going strong, but there it is. The beginning crack of a crack cascade that'll end up with a handle-free mug. I …