What does (F) stand for?

[English boy]

O.K I agree with you but I think this (F) it's very away from you , becuase your language it's very good MASHA ALLAH TBARK ALLAH So,why you talk about it?

LOooool urs is perfect and much better. brooo I swear I am so fn afraid of failing in Applied. I have it as a nightmare every single night

SO pray for me