How one of the smartest men of all time put most of his investments into one stock at the peak of a bubble and lost the equivalent of $20 million… Maybe he could calculate the movements of the planets but not the madness of the people.
Countless studies have shown that two people make better financial decisions than one, by offsetting each other’s unhelpful biases. Too much risk vs not enough risk. Too much spending vs too much miserable cash hoarding. Too much trust in a financial advisor vs healthy cynicism and reading of the small print. If you have a partner, do it together.