Bulle

Becase it is extremly hard to accurately pinpoint the statistical value of lifes origination, it is yet nearly impossible to know how rare/frequent life is in the universe.

Only thing thats interesting is your coworker. There are only some possible explanations behind what he tells you, like drugs or mental problems. Maybe he lies to you just to get you uncertein or even frightened.

Noted. Better negate late than never.

Please confirm that they exclusively kept to cannabis and not any other drug, including alcohol and cigarettes.