Lukaku has managed just ten appearances this season.
But he says: "Both Andre Villas-Boas just as Roberto Di Matteo always opted for experienced players. I did not always agree with those decisions, but as a player you must accept the choices of the trainer.
"Its part of being at a top club.
"Yet I have no regrets I have chosen for Chelsea. I have learned a lot and I'm definitely not mentally on the floor."