How Can I Stay Balanced in My Belief That God Is Always Good to His Children?

Questions about believing God is always good to his children while rejecting prosperity teaching, how God can be jealous if he is love and love is not jealous, and whether God changing his mind in Exodus 32 indicates he gained knowledge and is not all-knowing.

• How can I maintain balance in my belief that God is always good to his children and not believe too much in prosperity teaching?
• If God is love, then how could he be jealous if the Bible says in 1 Corinthians 13:4 that love is not jealous?
• How would you respond to someone who said that God changing his mind in Exodus 32 indicates he was gaining knowledge and means he is not all-knowing?