"...staying together and never breaking up like that sweet old couple with their picture in the newspaper on their fiftieth wedding anniversary (such as Aerosmith..."

Aerosmith did break up, Joe Perry went solo in the late 1970's and Brad Whitford left in the early 80's. They reunited a few years later.

Of course there's a joke about "hot air" in there. Obviously intentional, and intentionally obvious.