The trick is to reduce the number of falsifiable beliefs you hold. It grants you an immense amount of conviction, and can be very effective in the short term, although the price is a crippled perception...

A commendable way to spend the remaining 40 minutes is to reflect on becoming so brave in the face of failure - of being wrong - that you seem almost foolhardy to others. Ideally, you want to be really quite wrong about many different things in myriad interesting ways.