To be satisfied you have to feel that not only do you feel it but it feeds back into itself and it becomes productive: ‘If we are looking at it like this then that could lead us in this direction and that would be a useful way to go.’ There is some resonance that you wait for between the subjective interpretation and the actual conditions. I think Sheila and I are both interested in the idea that we’ll discover something that we hadn’t quite expected to discover. And we don’t sit down and think, ‘Now, what’s the name of this one?’, it’s just that by the process of our conversation it emerges that something gets captured.