I did not give up; but thanks to Job and people around. With the useful knowledge and skills, I be able to move forward, thank you all !!
I acted as an adult, be calm and with great patience. He was furious two or three times after moved home. But he apologized which I think is a good sign.
Thank you for sharing the thread of TMAK (explanation of reconnection), I have read it a while ago, I need it very much at this stage, and I am grateful for this.