Courtois has declared his "heart belongs in Madrid", though insisting his priority would be to sign a new deal.
And he also told Sport/Voetbal magazine: "Just their desire to extend Eden Hazard too, it reassures me.
"My future is really related to his? I said that by joking but we think a little both the same way. When you talk about Barça, for everyone, it's Lionel Messi. When you talk about Real, it's Ronaldo. And when you talk about Chelsea, for 90% of people, it's Eden Hazard.
"Look at the number of times he makes the difference."