“Your obsessive behaviour is part of the problem. But I believe you have what my colleagues and I refer to as circumstantial depression, a depression brought about by your circumstances. There is an emerging school of thought that this is caused, or exacerbated by, childbirth. I admit to being a little sceptical given the time that has elapsed since Albert was born. This type of depression is difficult to treat with medication, as we need, of course, to tackle the circumstances. But we shall.”