Struggling with Idolatry

God expects us to love Him above all else and not to worship other God's before Him because He is a jealous God.

Matthew 22:37 (NIV)
Jesus replied, "Love the Lord your God with all your heart and with all your soul and with your mind."

Exodus 20:3-5 (ESV)
"You shall have no other gods before me."
"You shall not make for yourself a carved image, or any likeness of anything that is in heaven above, or that is on earth beneath, or that is in the water under the earth. You shall not bow down to them or serve them, for I the Lord your God am a jealous God, visiting the iniquity of the fathers on the children to the third and the fourth generation of those who hate me,

My story on idolatry:
I want to share to you my struggle with idolatry. I didn't know that I'am sinning idolatry but the Lord showed me gradually. I had loved  my ex boyfriend so much and I never realized that I had put my relationship with him before God. I was so broken and devastated when we got separated. I wanted to commit suicide but the Lord had helped me on the darkest days of my life. I was in a lot of pain and because of that I seek the Lord. I watched preaches on youtube, read articles online and read the bible. The one that helped me a lot was the preaches of Pastor Rick Warren and the articles on his website.
The Lord revealed to me that I have treasured and loved my ex boyfriend so much more than Him. As a result, I wanted to commit suicide when he left me. My ex could not fully satisfy me and I was so demanding and clingy of him. There's an empty space in my heart that he could not fill. I expected too much of him and at the end I was disappointed. God wanted us to love, treasure and prioritize Him for He alone fully satisfies. It was unfair for my ex boyfriend for me to demand so much of him for he is not God and he is only human. God made me realize that it was Him that I am missing all along. I tried to fill that emptiness in me that He alone can only fill.
I suggest read the article on idolatry by pastor John Desiring God website.