Warming up is important because you need to "warm up" your core and muscles and gets the blood flowing in preparation of a strenuous workout. It also helps prevent the risk of injury.
Stretching, walking, jogging, arm circles, lunges, squats and jumping jacks are good choices to include in a warm up
Hi there!
The most effective way to say no is probably saying "I don't think that's a good idea", since it expresses what you think in a kind way with reason, while not focusing so much on the "I will get in trouble" part.
Hope this helps!
Answer:
is that a life problem if so I have a lot of tips
Not having any knowledge of what the drug might do to your body