Manytime I am not sure how would be best help - whether leaving him/her to learn from his Karma or keep on helping him in whatever way possible.

Current case is my cousin who went through a lot of suffering in past. He was very aggressive, violent. He was suffering from extreme ego.

Oneday he got fed up of his life and suffering. Deep from his heart he prayed god and wanted to bring a change in his life.

Then he came to me. I told him about the importance of Love and forgiveness in life. He agreed to start loving everybody and seemingly forgiven everybody and sought forgiveness for his own did.

He did God Yoga. That brought a sudden change in his life. He started feeling mental peace. Some illness seems to be got cured. He started feeling very light. He was very happy those days. I felt God has dissolved lot of his Karma.
But now I have noticed his revenge attitude has not changed completely. He is not showing up his violence attitude in front of me but I know his violence attitude is just hidden and waiting for a relative reason to burst.

At this junture I am not sure if I should leave him or offer to keep with me in close guidance and wait until that attitude changes - which I hope the God Yoga, which he is practicing regularly, will help him.