Learning to trust yourself will improve close relationships. It's time to stop relying on your best friend, romantic partner or even workmate colleagues to always go above and beyond the call of duty. The sooner you learn to perform these chores on your own, the happier you will be. Do you have to master a complicated skill? Sign up as soon as possible for a course. Your confidence will soar as you move to the top of the class. Best of all, your other half will look at you with newfound respect.