The quotation above shows that the speaker is concerned about?

Wanja; I am heading towards my usual joint to enjoy myself.

Ada: which joint?

Wanja: XYZ night club, where I take marijuana and alcoholic beverages, I really want to be high tonight so that when people see me tomorrow, they will fear and respect me.

Ada: remember people who work under the influence of hard drugs and alcoholic beverages are prone to either psychiatric problems or premature death. softly young man, imbibe good-natured character, you have the world at your feet and a destiny to fulfill. pray you will not be the architect of your own misfortune.