jealousy

jeal·ous·y

1. jealous resentment against a rival, a person enjoying success or advantage, etc., or against another's success or advantage itself.

2. mental uneasiness from suspicion or fear of rivalry, unfaithfulness, etc., as in love or aims.

3. vigilance in maintaining or guarding something.

4. a jealous feeling, disposition, state, or mood

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Causes Of Jealousy

Insecurity

Everyone feels insecure from time to time. But if this is part of how you feel on a regular basis, then it can lead to jealousy.

Low self esteem

If you suffer from this you will feel as if you are below most other people. You’ll feel constantly inferior. That’s why you feel jealous when someone smiles at your partner or starts to talk to them for any reason.

Little or no confidence in yourself

We all have differing levels of confidence. Some people look in the mirror and see someone they like. Others look in the mirror and see someone who isn’t worthy of being in a relationship.

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“The jealous are troublesome to others, but a torment to themselves” William Penn
“Jealousy is the greatest of all evils, and the one which arouses the least pity in the person who causes it” François de la Rochefoucauld