We had to allow ourselves that one little pun. Had to.
The seller also muses:
This is my T shirt. There are many like it, but this one is mine. My T shirt is my best friend. It is my life. I must master it as I master my life. My T shirt, without me, is useless. Without my T shirt, I am useless.
US$9.99 from jamjamtees at Etsy.