I barely made it through college and I can tell you what eventually was the most valuable thing I that was doing there: Networking. I didn't fail linear algebra because a friend explained one important concept to me twenty minutes before the exam. I got my first(not related to my education) job because I helped a friend with calculus(his father was a manager in a company and hired me shortly after his son passed his…
> try to be likable
You can't do that. But showing genuine interest in what people think and do, being a listener and not only a talker, is what gets many people to like you. And that's not something that's easy to fake. You have to be genuinely curious about other people's perspective and context.