Designer, cinéfilo, metido a cantor e quase japonês.
Using data, we can see where the problems arise, where the exceptions and edge cases lie and whether our design really works in the way it was intended.
Nobody cares about the thing you’ve designed, unless you can get them past the beginning.
And as Walt Whitman already said: Be curious, not judgmental. Endless curiosity & openness is one of the most important traits of a great designer.