It's good to assure people when they are worried.
Greg's friend Jim told them they were really worried for his next algebra exam.
Greg wants to say something to Jim.
Greg tells Jim that he's worried because he hasn't studied enough.
Greg tells Jim that he needs to suck it up and stop thinking about it.
Jim agrees with Greg and gets out his notes and textbook.
Jim keeps worrying about the exam, and he think Greg is rude.