Curiousity and confidence play a role, but remember that no one has unlimited time and a half day (or more) spent on learning and completing a new repair is a h

Curiousity and confidence play a role, but remember that no one has unlimited time and a half day (or more) spent on learning and completing a new repair is a half day you didn't spend on something else you may have deeper and more enduring curiousity about. Every activity has an opportunity cost.