God is a jealous God.

If they told you that they are jealous, believe them. But what they don’t realize is that God is jealous over YOU!

Exo 20:5 Thou shalt not bow down thyself to them, nor serve them: for I the LORD thy God <i>ami> a jealous God, visiting the iniquity of the fathers upon the children unto the third and fourth <i>generationi> of them that hate me;

Deu 5:9 Thou shalt not bow down thyself unto them, nor serve them: for I the LORD thy God <i>ami> a jealous God, visiting the iniquity of the fathers upon the children unto the third and fourth <i>generationi> of them that hate me,