The Villa captain sympathises with his defensive colleague, having himself suffered a ruptured cruciate ligament twice in his career, and will do what he can to help him through
The Denmark international signed a four-year deal at Villa Park in June after completing a move from Nordsjaelland but his season was curtailed after just three appearances, when he hobbled off after half an hour of the club's 2-1 defeat to Newcastle on September 14.
Vlaar has vowed to aid Okore through the process, having himself twice suffered the injury during his tenure at Feyenoord.
"Jores is so unlucky with his injury," the Dutchman told the club's official website. "I think he did really great in the games he played. I know what he's going through and I hope that, if we can have good results, it will help him feel better.
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"I will talk to him. It's little things - you have to try to give yourself a good feeling. Make yourself happy even if it's hard because it's a way of helping yourself recover on your own. You do have to do things on your own but we'll try to help him as much as we can."
Vlaar expects that the most difficult aspect of Okore's recovery will be any mental scars that remain from the injury but he backs his defensive partner to be even better upon his return.
He added: "What I remember from the first time I played again - and for me my first official game was after 22 months - was the feeling when you got a kick on your ankle or something, the feeling of playing again.
"You know you've been playing again and that feeling makes you so happy. You've worked so hard and it's such a long time to come back.
"He's going to come back very strong. A lot of it is mentally and that's where we have to help him because sometimes it will be difficult."