 When a teen disregards your rules, breaks your possessions, or abuses your trust, they need to understand that they'll suffer the consequences. The principle will apply later in life as well, in their employment, friendships, and their future family. So bring the lesson home today. If you abuse it, you'll lose it. Mark Gregston writes weekly articles for families. Sign up for the free newsletter online at parentingtodaysteens.org.