The context of the following conversation is Jesse did not like to joke around so Jesse played Sasha no tricks in their life.:
Jesse says I think I have just always been a very serious person..
The friend responds You have been since you were a little kid, you never liked pranks..
Jesse responds Really, never?.
The friend responds Yes, I remember pulling a prank on you once as a kid and you told your mom on me..
Jesse responds Wow, I am sorry about that. I still do not like pranks or tricks to this day..
The friend responds Some of us are just more serious than others I guess..