Most people I know, it's because we studied math or wrote programs together. We were selected and got to know each other mostly for solving mathematical or codi

Most people I know, it's because we studied math or wrote programs together. We were selected and got to know each other mostly for solving mathematical or coding problems. There's a stereotype that these skills correlate negatively with social ones — I'm not sure if it's the case, but at least the opposite isn't obvious.