True, you do not want to start an exercise with tight joints and muscles.
it could effect you because you could have one of the best times of your life!! but in all jokes aside most substances are unsafe to use and or addictive, however is you use non addictive safe drugs like lsd or weed you should be fine however i dont recommend it considering its illegal.
Answer:
he will be tired and then play video games and gain weight
Explanation:
Yes it is a sport, it burns calories, there are also competitions