When did you realize that your college major was not in vain? When did you realize that your college major was not in vain? When did you realize that your college major was not in vain? When did you realize that your college major was not in vain? When did you realize that your college major was not in vain? When did you realize that your college major was not in vain? When did you realize that your college major was not in vain? When did you realize that your college major was not in vain? When did you realize that your college major was not in vain? When did you realize that your college major was not in vain? When did you realize that your college major was not in vain?