You sit on the ground, feeling just fine. 

SEE: What's it usually supposed to do, exactly?
ROXAS: Uhhhhh that kinda depends on you, bud.
ROXAS: Different folks get hit different.
ROXAS: But generally, it makes you chiller.
SEE: Okay…chill. I can do chill.

 
You could probably ask some questions while you're here, waiting for the weed to kick your ass.