often don't make sensible financial decisions. The book sparked my fascination with behavioural economics and also for keeping me on track when bombarded on all sides by investment-related white noise. At around $4 for the e-book, it's a must-have bargain. Justine Davies is a finance author who blogs on yourmoney.com.au. Her latest book is Money for Nothing. -- Gen Xs - Bruce Brammall ONCE upon a time, in the early '70s, there was an evil scientist named Walter Mischel (evil might be a bit harsh, but the best stories have evil scientists.) Wally decided to experiment on small animals with some reasoning skills - Generation X toddlers. Individually, he locked them in a room with one marshmallow. He told them that if the marshmallow was still there when he returned, they could have two marshmallows. They tried so hard! They would lick the marshmallow then put it down. They would touch it, then lick their fingers. They would try to fall asleep. But most ate it and missed out on the second marshmallow. A LONG time ago I was told about the importance of having mentors, and it is a piece of advice that has helped me both financially and personally throughout my life. Having a mentor is about having someone to take a look at your business and what you're doing and ask you the difficult questions that you probably don't even want to ask yourself. It's a constant reality check, a punch in the gut that says: "Hey,