Christianity is all about faith. Simply believe that Christ died for your sins and give him your life. Talk to Him; He wants to hear from you. No matter how messed up we are, God loves us enough to work with us exactly where we are!
God’s love or salvation does not require you to be perfect nor does it mean getting your life together first.
Here are some verses for you (all are in NIV):
23 for all have sinned and fall short of the glory of God,