Ask them “what would it take for you to_____?” (Keep your room clean, stay on top of your homework, feel like you had more control in this situation, etc.) Instead of nagging or lecturing, just ask.
Sometimes it just takes a while to catch on. I had to watch Game of thrones 3 or 4 times before I could keep track of all the characters and subplots. Record your lectures so you can replay them a few times.
Teach your pets they can trust you. Take care of them. Treat them with tenderness. Teach them how to behave. (Unless it's a cat. You can't teach cats anything.)
Meditation isn’t about a quiet mind, it’s about training a distracted mind to remain in the present. Focus on your breathing for one minute (set a timer.) Every time your thoughts wonder, gently bring your focus back to your breath. You may have to do this 10, 20, 30 or more times during those 60 seconds…but eventually you’ll get better. When you do, increase to two minutes, then five, all the way up to 30 minutes or even an hour.
No dating while unstable. Being responsible for someone’s heart means being prepared to treat them with respect at all times, regardless of whether they make you angry, jealous, annoyed, rejected, humiliated or heartbroken. If (a) you don’t think those things could happen or (b) think there’s a reasonable chance you’d lose your temper, then you’re not ready. And that’s okay! You’ll get there in your own time. In the meantime stay off the market.
Start “home economics” school with them. Laundry, cleaning, cooking, how to change a diaper, comfort a baby, soothe a toddler, what's involved in caring for pets, budgeting for food, keeping track of maintenance schedules for humans, pets, cars and machines. Engage with guests, be a good host, etc. Know when and how to tell someone to GTFO of the house (racist or misogynistic speech, etc.) Every kid needs to learn the art and science of home management. Look for and point out examples in books and movies of good home science skills.
Have dinner guests sign the under side of the dining room table. Let the kids’ friends sign too - or have their own version of a guestbook - the inside of a cabinet or the basement door, etc.
What does it mean to grow up? Sacrifice- When you put someone else’s needs before your own. Responsibility- When you can be counted on to do what’s right and also to do what has to be done. Trustworthiness- You keep your word.Sincerity - You are true to yourself and don’t pretend in order to fit in. It’s about choices and actions and deciding what you value and then building a life around those values.