It's a familiar scene for most moms: You spend time cooking a nutritious (and you hope, delicious) meal for your toddler and she eats a few bites and takes off to play or nap. She's healthy, happy and active, so you may wonder why she doesn't seem to be eating much at mealtime. Don't kids know how to sit down and eat a meal? The simple answer is "not really." {relatedarticles}Most toddlers prefer to nibble throughout the day, and don't have the stomach capacity or attention span to sit ...