There's already a marriage clock a career clock a biological clock. Sometimes being a woman feels like standing in the lobby of a hotel looking at the dials depicting every time zone in the world behind the front desk - except they all apply to you and all at once.

Every time you get on a stage or in front of a camera the whole exercise is about imagination. You're constantly depicting something that doesn't exist and trying to find the reality of it. Once you settle on that premise everything else is a matter of degrees.

There's one Baldessari work I genuinely love and would like to own maybe because of my Midwestern roots and love of driving alone. 'The backs of all the trucks passed while driving from Los Angeles to Santa Barbara California Sunday 20 January 1963' consists of a grid of 32 small color photographs depicting just what the title says.