article_snippet: When Usher suggested there were clear warning signs that Usher had issues, John agreed saying: 'yes they were and I'm so sorry
article_snippet: John said John was at times very difficult emotionally - even as a little boy,' Usher said. '
article_snippet: John also said "I'm sorry I wish i could have done more to understand his son and stop his son" and his son's finding it very hard to grieve because his son's feeling so much guilt,' Usher said.
article_snippet: I wish I could understand more of what went on,' his son told Usher.