We all have little rituals - checking the stove or organizing your desk just so. But when does a habit cross the line into OCD? The key differences lie in comfort versus distress, flexibility versus rigidity, and whether the behavior disrupts daily life. OCD often hides behind invisible compulsions like mental reviewing or reassurance-seeking, making it easy to miss in yourself, your child, or a teen you love. Learn the real signs, and when it's time to seek support.