Running a business takes a lot of blood, sweat, and tears (and caffeine). But at the end of the day, you should be building something you will be proud of.
Branson says, "When I started Virgin from a basement in west London, there was no great plan or strategy. I didn't set out to build a business empire ... For me, building a business is all about doing something to be proud of, bringing talented people together and creating something that's going to make a real difference to other people's lives."