"And then, towards the end, I insisted, 'Come on, is there anything behind the abstractions you are throwing at me?' And that chappie said, 'You have no way of knowing it for yourself'. Finish – that was the end of our relationship, you see – 'If I have no way of knowing it, you have no way of communicating it. What the hell are we doing? I've wasted seven years. Goodbye, I don't want to see you again'. Then I walked out."