Why Joe Issa Hangs Out With Optimists .

Multi-award winner and hugely successful businessman Joe Issa, concurs with 5-year study which found that rich people avoid one type of person - a pessimist.

According to Kathleen Elkins in Business Insider, "After researching the daily habits of wealthy people for five years, author Thomas C. Corley found that they avoid one type of person at all costs: pessimists."