Brightness
How much light you bring to what you're looking at. Controls whether you see the hopeful side or the dark side of a situation.
Shep Murray and Ian Murray and the Road Trip Reality Check
Brightness adjusted upward when Shep Murray and Ian Murray decided to see the hopeful side of rejection rather than the discouraging side. Instead of focusing on each 'no' as evidence they should quit, they started seeing rejections as future opportunities and valuable learning experiences that would eventually lead to success.