The Brazilian has revived his career on-loan at Sao Paulo this year and said: "I'm fine, I'll come back and convince (Inter coach) Roberto Mancini to play me with (Zlatan) Ibrahimovic and (Mario) Balotelli.
"I have much to thank (president) Massimo Moratti for, I'm looking forward to wearing the Nerazzurra jersey again.
"I have nothing against Mancini, but I would have expected more help from him when I was at my worst."
"If Luis Figo stops, Diego would be an excellent replacement. He has special characteristics and knows how to get the ball to the forwards."