Where is the off switch?

I'm always on.  I'm never off.

I've always been this way.  I'm certain it is the reason why I am a life-long insomniac.

Sadly, people expect me to be on.  And when I'm off?  The world crumbles around me and everyone is looking at me, with hands in the air, going "What happened here?"

I've come to the stark realization that I cannot even take a quiet shower without having to be on!  I am now expected to check all of the shampoo bottles in the shower to see if there is enough left before everyone begins using mine (we all use different shampoo).

Now where do I escape to for 10 minutes?