"I could decide tomorrow [to retire] or in a month's time what to do, but I still don't know. It was beautiful to return to play because soccer is my life, but it was just an exhibition as I only played for 22 minutes. Professional soccer is a different issue." Ronaldo, 32, mulls quitting the game as a player. The Brazilian striker played in a charity game in Morocco earlier this week, his first action since recovering from a serious knee injury.