Conversation so far:
What is significant about Barry Bonds' public persona?
Barry Bonds was described as a difficult person, surly and ungrateful. However, in one interview with Terence Moore in 2016, he acknowledged regret over the persona which he had created.
Did Barry Bonds get in fights?
Barry Bonds may have had verbal disputes, but there were no physical altercations.
Are there any other interesting aspects about the Barry Bonds article?
Barry Bonds attributed it to the pressure he felt to perform as a young player with the Pirates.

Question: What did he change to?
Self-contained rewrite: What did Barry Bonds change his demeanor to?