He is apt to be aggressive and spontaneous, and this is one man who likes to take the lead.
When the real male bluebird returned, he was horrified at this perceived rival.
He tried to scare the fake bluebird away, and then turned on his female partner and viciously pulled out her feathers.
Recognizing your irrationality towards normal situations will stand you in good stead to control your emotions.
Many people who are actually happy in their relationship, still get really jealous.
To a certain extent, jealousy in relationships is inevitable.
Put simply, when you care about someone you don’t want to lose them and, ironically, jealousy often arises when a partner is happy in their relationship.
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It once used to be regarded as the swashbuckling pirate of emotion, but today it’s seen as the awkward outsider, needy and insecure—a weakness rather than strength.
Jealousy isn’t just a human emotion—it’s often seen in nature, too.
In a famous experiment, evolutionary biologist David Barash once tested to see if bluebirds ever turned green (figuratively speaking).