You know how ... Then why is is that...

You know how, old people have problems hearing? It's not like it's their problem, but it's just due to old age I guess.

Then why is it that, when you play music loudly in the car, they can't seem to stand it? I mean your hearing is better than theirs, and by right you should hear the music louder than they do, but yet they ask you to turn the music down.

Hmm...