Do you need one? No. Does it make things easier? Yes. Mentors can help you in many different ways, they can allow you to access their networks, give you perspective and just be a listening ear. I have a small exercise that I want you to try. Think of the 5 most successful people that you know, judging successfulness however you want to, and ask them one question ‘if you were starting again from scratch, what would you do?’. No other explanation of the question, which is intentionally a little vague and see what responses you get.