Bertrand is on-loan at Villa Park.
"Come the summer I need to be the No.1 left-back, wherever that will be.
"I have ambitions but I have to be realistic as well. I will sit down and consider all my options.
"Staying here isn't something I would rule out. I've had years of playing but since I was 17 I have been on loan, basically.
"I've spent the past few years at Chelsea, in and out of the team, and the experience I've gained from that is I'm happy just playing. That's what it comes down to in football.
"If you're getting the respect from your peers that you deserve, that means a lot."
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