For all these reasons, 80,000 Hours prefers to talk about ‘personal fit’ rather than ‘following your heart’ or ‘following your passion’. How can you work out where you have the best personal fit? As we’ve just seen, it’s difficult to predict where you’ll be most satisfied and where you’ll perform the best just by thinking about it. Indeed, it’s hard for anyone to know which job you’ll be best at. Even corporate recruiters regularly make mistakes, and they have huge amounts of resources at their disposal to find the people who fit best.