Find Marijuana in Your Child’s Room? How to React Smartly and Safely Substance AbuseBy Promises Behavioral HealthAugust 15, 2016Imagine the shock of finding marijuana in your child’s room. A million thoughts instantly swarm your mind. You begin to panic and immediately feel like lashing out in rage and sadness. Are you a failure as a parent? Where did you go wrong? Where do you go from here?