I’m bad person

First of all i’m sorry for my bad language.. English isn’t my mother language okay .. I have a question … I have exams in a month that will partially determine my fate… and at this time I am going through a big crisis that is pushing me to commit a certain sin (watching porn)… I hate it but I cannot stop doing it… My question is not here… Will God not stand with me in my exams or will this affect my result if I do not stop committing this sin ?