You could say something along the lines of:
"Hey, Friend, what's so good about weed? Why are you always smoking it?"
If he's smoking it for medical purposes, then just drop it, but if it's illegal and he's doing it to "look cool", then I would further ask questions about it.
Answer:
Explanation:
Cardiopulmonary resuscitation (CPR) acts as a manual heartbeat, keeping vital organs alive even after the heart has stopped beating.
Artificial External Defibrillator (AED) is an electronic device that is used to revive a person's heart when it has stopped beating.
That can be taken many different ways maybe: they push themselves to hard and don’t know when to take a break or they cant settle down, sleep or, don’t know when to stop.