"John was the only reason Sherlock faked his death-"
"John is the only one who sees through Sherlock, understands the man behind the mask-,"
"It wasn’t John and Mary’s wedding, Sherlock was actually planning his and John’s wedding, the fact that Mary was the beard-,"
"John was the only reason Sherlock shot Magnussen-,"
"John’s the only one in Sherlock’s mind who’s-,"