John Mayer showed off his eccentric sense of humor and a very sheer t-shirt on his way out of a medical office in Beverly Hills yesterday. In his typical jokey fashion, he wrote on the outside of his prescription bag, "experimental human growth hormone." Oh man, hilarious. Even when John seems a little, well, douchey, I still have much love for him (and it doesn't hurt that he's easy on the eyes). Plus, seeing him with Jennifer Aniston — and hearing that he makes her happy — always puts a smile on our faces.