4 reasons God is allowing your heart to hurt so bad about someone.
1. God Often Prepares Us the Fastest Through Pain
Psalm 119:71, “It is good for me that I was afflicted, that I might learn your statutes.” There’s always a purpose for the pain. Don’t just try to escape the pain.  Ask yourself, “Where does it hurt?” The pain is pointing to a place in your heart that God wants to heal.
2. Your Heart Is Being Torn in Two Because You’re Trying to Follow God and Someone Who Is Running from God
An unequally yoked relationship will always hurt you because it will pull your heart in two different directions. 
3. You Attached a Deep Heart Longing Onto a “Not Very Serious Relationship”
The longing for a husband or wife is a very deep desire in the heart; however, this deep desire is often attached to trivial relationships that are nowhere near capable of fulfilling the level of longing for love we have.
4. You Are Loving Correctly but You Are Using that Love on the Wrong Person

Full Video: https://youtu.be/dPHWJckpyFA