If you are trying to decide between two things, a good trick is to flip a coin. Assign one choice to heads and the other to tails. You'll find yourself subtly "hoping" for one choice over the other. Decision made. Keep things simple!

In the book “Nudge: Improving Decisions About Health, Wealth, and Happiness”, Prof. Cass Sunstein and Richard Thaler talk about the science of choices and defaults:

The human brain is amazing, but it evolved for specific purposes, such as avoiding predators and finding food. Those purposes do not include choosing good credit card plans, reducing harmful pollution, avoiding fatty foods, and planning for a decade or so from now. Fortunately, a few nudges can help a lot.