This week’s tip Many parents watch their baby turn 3 or 4 and realize that Mom took all the photos – so she’s rarely in them. If you’re the one who’s spending most of the time behind the camera, hand the camera to Dad or a good friend and ask him to document your life as Mom. That way, as your baby grows, you’ll be able to remember – and show your child – pictures of you caring for the baby in all those myriad ways: bathing, changing, walking, cuddling, reading to…