Book excerpt: Grandparents today are healthier, more active, and more youthful and young at heart than their predecessors. Dr. Georgia Witkin, senior editor of Grandparents.com, draws on her experience as a psychiatry professor, therapist, and grandparent to help readers be the best grandparent they can be. They'll learn: How to connect with their grandchild-online and off How to contribute to their grandchild's emotional development and boost their IQ The secret hidden stresses of being a grandparent- and how to deal with them The three things they should never say to their son- or daughter-in-laws And more!