sherlock: supports john's relationship
sherlock: pulls john from fire
sherlock: plans john's wedding
sherlock: "the bravest and kindest and wisest human being I have ever had the good fortune of knowing"
sherlock: ignores his own feelings for john's sake
sherlock: "I swear I will always be there"
sherlock: helps john and mary stay together for john's happiness
sherlock: restarts his own heart because john is in danger
sherlock: pressure point is his best friend john watson
sherlock: gives up life for john's happiness
john: "i don't understand"