The different ways men 'sit on their rock' include reading a newspaper or magazine, playing squash, fishing, tennis, golf, fixing something or watching television.
A man who is under pressure is likely to invite another man to play golf and when they play, there will be limited conversation.
The man with the problem goes into the right brain to use his spatial skills to play golf and can use this area to simultaneously work out solution for his problems.
It seems that simulating his spatial area speeds up the problem solving process.