You know, Emily was a selfish old woman in her way. She was very generous, but she always wanted a return. She never let people forget what she had done for them - and, that way she missed love.
It just seems logical that sticking to investing in only a small number of companies that you understand well, rather than moving down the list to your thirtieth or fiftieth favorite pick, would create a much greater potential to earn above-average investment returns.