Neymar told Xavi at Lionel Messi's wedding on June 30th that he wanted to leave Barcelona.
Neymar ultimately left Barcelona for Paris Saint-Germain on a €222 million transfer on June 30th.
"Neymar had the really big decision of himself to decide his future and he decided to go to Paris Saint-Germain," Xavi told the BBC World Service.
"He said to us at Messi's wedding that he wanted to change, he wanted to change the club. I said to him but why? He said: 'I'm not happy in Barcelona and I prefer to go out, to have a new experience in Europe, in Paris Saint-German.' And finally, that was his decision. We must respect it."