He needs to drop deeper and reinvent himself, become a Pirlo type player who dictates the play, rather than someone who relies on pace, which is a large part of what his game has been about.
I always think that when players get to that age, especially very good players, they have so much experience at reading the game that they should realise their attacking days are over and drop deeper and help the younger players who do have pace to run at defences with assists and passes.
Problem is, can Ronaldo let go of his ego and become less of a goalscorer and more of a goal creator?