I think Andy should dispense with Lendl's services and go without a coach for a while, I hope he'll play Wimbledon but it's ok with me if he decides to give it a miss - although this would be very sad.
He's still got Jamie Delgado as his coach though and I've nothing against him. As for Andy not playing Wimbledon, you might as well try to stop the tide from coming in. He's playing two exhibition matches at Hurlingham next week so these should help him.
Obviously Joker must have some ailment then that nobody knows about. How else can you explain his poor form?
In addition to burn-out after hammering himself to stay at the top for so long, and an ongoing elbow problem, Djoko had personal off-court issues, widely known to be matrimonial as a result of being unfaithful to his wife, to contend with, and what happens off-court can affect a player on-court.