A few studies looked at the genetic similarity between friends and found that on a very deep level you resemble your friends genetically.
What this means is that, basically, your friends are kin that you choose.
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Context is the most powerful catalyst for changing your life. And the persons you associate with often determine the type of person you become.
For people who want improved health, association with other healthy people is usually the strongest and most direct path of change.
Time spent making friends has a higher happiness Return on Investment than time spent making money.
Also, introduce friends to friends. Friends becoming happy increases your chance of happiness by 45%. Keeping the network happy protects you against unhappiness.
When you make a positive change in your life, it affects the people around you and ripples out to others.
We need to be careful with optimism so that we don’t neglect serious concerns. If you’re having serious illness symptoms, don’t be optimistic that they’ll clear up on their own and avoid medical care. But if the cost of being wrong is just a minor feeling of disappointment that things didn’t go your way, right now it’s better to stay positive.
Never extend credit to, or accept promises from, a narcissist. As soon as they get what they want, they will be on to the next thing, forgetting whatever they said they would do for you.
Make sure you get what they dangle in front of you before you give them what they want. Narcissists will rarely be offended by people looking out for themselves.
Peer pressure works. And a good support network shows us that change is possible.
Hang out with pals who have the habit you want. Across many different kinds of behavior (voting, smoking, weight loss and weight gain, happiness, etc), people are very meaningfully affected by the behaviors of other people to whom they’re connected.