Try not to be impatient at the lack of positive response. Don't be surprized to encounter anger, but try to listen without getting defensive, knowing that the anger is not necessarily personal. Believe I can make a difference. The problem is large and will not be solved quickly or easily. Great love, patience, humility, tact and personal initiative are needed to make real change.
Real change is possible, step by step.
A warm response encourages small steps to become larger steps. Be willing to let go of the past. It is very important to understand and learn from the past, but don't get caught in fear. Learn to let go of hurt and anger, and move forward. Work on removing suspicion.