Every day, Thomas comes home from school, walks past the hooks by the door and drops his coat on the family room floor. Then, he tosses his backpack onto the sofa and keeps right on going to get a snack or play with his Legos. No matter how many times his mother has complained, Thomas continues to leave a trail of “stuff.” as he moves through the house. Mariella argues about taking her bath every night. As soon as her mother tells her to turn off. the television to go upstairs for a bath and the nighttime routine, Mariella responds, “Just five more minutes.” Or, “Why do I have to go upstairs now? It’s not fair!” The interaction often escalates into yelling. Sound familiar?