Are you obsessed with fabric too? So many people I know have become what my friend calls 'mad habers' (short for haberdashers); the kind of people who spend hours in fabric stores, pondering trimmings and going glazed-eyed for vintage ribbons (and all the other things you find in fabulous old Parisian merceries).We learned to sew at school – we had the most ferocious sewing mistress who made us