Even though it was still functional, it was also leaking and damaging those things that surrounded it. It still looked "OK" on the outside, but open the door and you could see the scum and scars.
What was the poor shower to do? It couldn't clean itself. It couldn't make itself new. All it could do was become dirtier and more stained.
But, redemption was near and the shower submitted to drilling,cutting away, grafting and adhesion. After all this --------------restoration.