My son is born on 17-8-1986. Will he meet with success in all areas of his life. Pls help. Thanks;

I am confused...i am reading other numerology sites and they tell me that being born under 8 is fraught with difficulty. My son has experienced this throughout his life. I am confused whether to change his name which also numerologically falls under 8 or not...Pls help I am confused and I am determined to help him out of his situation.