1. Compare your life to someone else's.
Who cares what your neighbor is doing? Your focus should be on what will make you happy and fulfilled.
"Sometimes the reason we struggle with insecurity is because we compare our behind-the-scenes circumstances with everyone else's public highlight reel," Chernoff writes. "We listen to the noise of the world, instead of ourselves. So stop the comparisons! Ignore the distractions. Listen to your own inner voice. Mind your own business."
2. Get our happiness from other people or events.
Since the 1970s, various psychologists have posited the idea that most of us have a baseline of happiness that's largely unaffected by external events. Too bad, then, that so many of us spend much of our time waiting for things to happen that will make us happier.
Take charge of your life and make your happiness today, both by doing things that will make you feel better and by trying to view things through a more positive lens.
3. Dwell in the past.
Whether it's brooding about past betrayals or wincing over the dumb stuff you did way back when, let it go. Let go of resentment and you can start to look forward to the future.
Chernoff has a bunch more ideas about happy people and the things they do here. All will bring a smile to your face, even if you're not quite at perfect happiness yet yourself.
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