Older babies and toddlers have an uncanny ability to undress themselves, whipping off shoes, socks or headgear at - well, the drop of a hat; but it takes much more skill and co-ordination for a child to get dressed independently.WhenFrom around 15

is our culture so fascinated with the complexities of being a twosome?"The thought of having another half who is with you throughout life draws out our curiosity,” explains Emma Mahony, author of 'Double Trouble: Twins And How To Survive Them' (£10