If I ever have trouble sleeping at night, I close my eyes and think of Clash, my dog who was named after the rock band. Giving him a home was the best decision my family ever made. He had the proud, handsome face of a Jack Russell with the wobbly behind of a Dachshund. He only ever wanted to chase a tennis ball. He swallowed the ball, and it cost hundreds of dollars to have it removed. But he was worth every dollar.

Why? Happiness is like a game of pass the parcel — and your spending should be, too. Indeed, research shows that spending money on others — be they furry friends or human friends — rather than on yourself will help you find lasting happiness.

1. Happi…
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