Jealousy is one of these feelings that can take over someone. It is not something that a person can overcome by themselves. Prayer seems to be the only remedy.
'You shall not covet your neighbor's wife; and you shall not desire your neighbor's house, his field, his male servant, his female servant, his ox, his donkey, or anything that is your neighbor's.' Deuteronomy 5:21 (NKJV)
For where envy and self-seeking exist, confusion and every evil thing are there. James 3:16 (NKJV)
Or do you think that the Scripture says in vain, "The Spirit who dwells in us yearns jealously"? James 4:5 (NKJV)
Rest in the LORD, and wait patiently for Him; Do not fret because of him who prospers in his way, Because of the man who brings wicked schemes to pass. Psalms 37:7 (NKJV)
For the wicked boasts of his heart's desire; He blesses the greedy and renounces the LORD. Psalms 10:3 (NKJV)
Do not envy the oppressor, And choose none of his ways; Proverbs 3:31 (NKJV)
A sound heart is life to the body, But envy is rottenness to the bones. Proverbs 14:30 (NKJV)
Wrath is cruel and anger a torrent, But who is able to stand before jealousy? Proverbs 27:4 (NKJV)
Again, I saw that for all toil and every skillful work a man is envied by his neighbor. This also is vanity and grasping for the wind. Ecclesiastes 4:4 (NKJV)
Let us not become conceited, provoking one another, envying one another. Galatians 5:26 (NKJV)
Do not be envious of evil men, Nor desire to be with them; Proverbs 24:1 (NKJV)
But if you have bitter envy and self-seeking in your hearts, do not boast and lie against the truth. James 3:14 (NKJV)
Do not let your heart envy sinners, But be zealous for the fear of the LORD all the day; For surely there is a hereafter, And your hope will not be cut off. Proverbs 23:17-18 (NKJV)
Then He said to His disciples, "Therefore I say to you, do not worry about your life, what you will eat; nor about the body, what you will put on. "Life is more than food, and the body is more than clothing. Luke 12:22-23 (NKJV)