 I know something about you. I know that in your life you've learned a few lessons, perhaps even the hard way. Here's one. Abuse it and you lose it. Hi, I'm Mark Gregston with Parenting Today's Teens. Whether you'd use those words or not, the principle is the same. When you take advantage of something, abuse it, you'll likely lose out on it. And that's a lesson you need to teach your teens.