This "sixth sense" exists to some extent, but it's a little dangerous to believe in it because a lot people will pretend to have it, meaning that you'll need a

This "sixth sense" exists to some extent, but it's a little dangerous to believe in it because a lot people will pretend to have it, meaning that you'll need a sixth sense about sixth senses in order to actually rely on it without getting duped. If a function is critical to your company, then you or a cofounder need to understand it a lot better than the guy who asked about "lines of code".