I have met people that have told me nightmarish stories of their past; horrible things that have happened to them and even sadder things, horrible things that they did. Many of these people would be nearly unrecognizable from their past selves, myself included.
All of them, and I, went through hard times and were all comforted by God, in times of morning and heaviness.
What was it that got us to where we are today? Forgiveness.
Some verses to consider:
1 John 1:9 - If we confess our sins, he is faithful and just to forgive us [our] sins, and to cleanse us from all unrighteousness.
Romans 3:23-26 - For all have sinned, and come short of the glory of God
2 Chronicles 7:14 - If my people, which are called by my name, shall humble themselves, and pray, and seek my face, and turn from their wicked ways; then will I hear from heaven, and will forgive their sin, and will heal their land.
1 Thessalonians 5:17 - Pray without ceasing.
1 John 5:14-15 - And this is the confidence that we have in him, that, if we ask any thing according to his will, he heareth us:

