You'll get a flash of insight to what a mysterious person is really thinking. Trust this instinct; it will help you move the relationship forward. You're dealing with a secretive individual who is suspicious of others. By understanding their behaviour, it will be possible to work together successfully. People will marvel at your ability to strike a deal that was previously impossible. If anyone asks how you pulled off such a feat, just smile noncommittally. You've hit upon a winning formula; keep it to yourself.