Joseph knows God has loved him all along and has been alongside him all the way through and put him in a position where he could benefit the world. God cares about you down to the very hairs on your head or the hairs that used to be on your head, down to the specific trials that come your way.
Genesis 45:3-11, 15
Psalm 37:1-12, 41-42
1 Corinthians 15:35-38,42-50
Luke 6:27-38