"My priorities are fine. 'M trying to protect Dr. John." He slowly gets to his feet. "I can walk."

And then he nearly falls over as he keens to the side. He grabs Sherlock's arm for support, surprised by his own vulnerability. "But not alone."

It's not an easy confession to make, realizing how helpless he is and how he needs to rely on someone he believes he loathes. Someone who, inscrutably, just saved his life. Why?