Looking back, I don't know if I can tell my former college self what the real world is like. But, I can easily pinpoint out what isn't going to work. If you a

Looking back, I don't know if I can tell my former college self what the real world is like. But, I can easily pinpoint out what isn't going to work. If you aren't getting an A in that subject, that isn't going to work out for you. An A can be literally be a grade in a course, or how relatively well you think you did in some other non-trivial project. It's not just that it's a competitive world out there. If you didn't do A work, there is a strong chance that your interests don't line up and never will. Your ambitions likely will only be realized what you have all the odds in your favor. Look at your track record and see where you have done well in the past.