Mental Effort, I Would Argue,

Groups Tend To Be More Extreme Than Individuals.

Each Additional Day Together Is A Gift. The End Of The Day Means The End Of Hostilities, The Recognition That The Underlying Shared Values And Commitment To The Relationship Trump The Need For One Last Dig Or Self-righteous Justification.

An Investment Said To Have An 80% Chance Of Success Sounds Far More Attractive Than One With A 20% Chance Of Failure. The Mind Can't Easily Recognize That They Are The Same.

Money Does Not Buy You Happiness, But Lack Of Money Certainly Buys You Misery.

A Person Who Has Not Made Peace With His Losses Is Likely To Accept Gambles That Would Be Unacceptable To Him Otherwise.