Remembering the internet

It never ends; the endless chatter is there and is not altogether unpleasant.
In a convoluted way, I end my sentences with a - hey!
Time for sleep; sleep is not for the weak
It is for the nonfaint of heart
My insides are cold
and dark

I got soul but I'm not a Souldier:76

What's the function of x?

It's a variable. That's it.