Drugs
I am afraid all wannabes' need to wise up a little bit.
Drinking and drug taking is no longer acceptable in aviation. End of story.
If you do indulge and get caught, not only will you end a short career, but if you happen to be near an aircraft you will probably go to prison.
Random drug testing is being introduced around the world.
As far as I am aware, THC (the active compound) will stay in the blood for around 28 days or so.
As they say in Oz, dont be a bloody idiot.
Sorry another bit of bad news.
It is us old codgers that make the rules and sit as judges.