But among pessimists, 44% would be willing to have all memories from the past year wiped out in exchange for $500,000. ---------------- 56% of people show their teeth when they smile for photos. But among pessimists, only 42% show their teeth when they smile for photos. ---------------- 20% of people have never been bitten by an animal. But among pessimists, 33% have never been bitten by an animal. DOUBLE PLAY You’re extremely likely to be a pessimist if you both: think children age you think the song title “Sometimes Love Just Ain’t Enough”