When Sherlock falls after Irene Adler drugs him, John is there to take him home.
When Sherlock falls out of bed that very same night, John is there to pick him back up.
When Sherlock falls off of Bart’s hospital, John is there to try to save his life.
When Sherlock falls back during his row with a drunk at the bar, John is there to steady his way.
When Sherlock falls from being shot in CAM tower, John is there to phone an ambulance.
When Sherlock falls in 221b after Mary’s reveal, John is there to ease his way down.Because it’s never the fall – It’s the landing