Forever is a very long time indeed. Nothing lasts remotely as long... That being said, any well-constructed (not necessarily expensive) cable should last much longer than the active components connected to it if the cable is handled properly and not moved around too often.
Twl's "moot point" is right on, but it downplays the almost constant tweaking that the most obsessive-compulsive audio junkies are prone to do.
Twl's "moot point" is right on, but it downplays the almost constant tweaking that the most obsessive-compulsive audio junkies are prone to do.