Just look at this photo. If you didn't know better, you'd think John McEnroe just lost the 1984 Wimbledon final. But he crushed Conners in straight sets, 1-1-2.
The handshake is one thing any MB always does right. Never eye avert like McEnroe is inexplicably doing here. When you shake another man's hand — especially one you made look like a fool on Centre in the Final — you look him straight in the eye.
Earlier: Ask the MB: How to Shake Hands (Teaser: Not like Tricky Dick)