selfish
Here's when it makes sense to be selfish
This will minimize waste and inefficiencies when making decisions and to maximize net gain for everyone.
Higher income can make you selfish: study
Individuals at the lower end of the income scale were more likely to experience emotions that focus on other people, compassion and love.
Apologies make rejection worse, says study
Research discovers issuing sorry can make rejected person feel like they need to offer forgiveness, even if their feelings do not match up.
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