When is jealousy appropriate?

Exodus 20:5“You must not bow down to them or worship them, for I, the Lord your God, am a jealous God who will not tolerate your affection for any other gods. I lay the sins of the parents upon their children; the entire family is affected—even children in the third and fourth generations of those who reject me.”

2 Corinthians 11:1-2Please bear with me. For I am jealous for you with the jealousy of God himself. I promised you as a pure bride to one husband—Christ.

Jealousy is proper, indeed essential, in the sense of keeping ourselves wholly devoted to God and loving him above all others.