Most babies begin rolling over or grasping for toys at 4 months, showing signs of increased mobility. Now that they are beginning to move...

A 20-year-old boy might occasionally be difficult to buy gifts for. Because they are typically at a transitional stage where they are...

A significant life change would be going from being a 12-year-old child to a 13-year-old teenager. A 13-year-old girl who develops more...