Aurier infamously slammed then PSG coach Laurent Blanc on social media, which eventually led to his sale.
Speaking with France Football, the Ivory Coast international admitted it all stemmed from questions about his commitment to the team.
He revealed: “Today people are still talking about it. Myself, I tell myself that it will never end.
"In this team, there were not many who had the love of the jersey like me. The love of Paris like me. I was proud to play in my city, proud of the importance that I started to create. I was so happy that nothing could stop me.
"(But) the fact that all this disgusted me, to the point of leaving, it's a shame..."