Ferdinand has signed a new one-year contract which includes the option of a further 12 months and says he is enjoying his football now more than ever.
"For as long as my body allows me to, I'll keep playing; and for as long as I can stay at Manchester United then I will stay there," he told the Mirror.
"When I looked at pictures as I looked towards the testimonial, it evoked old memories and has relit those fires a little bit in terms of being able to win things, get those emotions back.
"Whether I can do it, we'll have to wait and see. But it does definitely light fires within you that you want to continue, I've still got that burning passion to want to achieve and win things.
"I could see myself at a club for ten years which wasn't as big and as prestigious as Manchester United. But to do it at Manchester United is just crazy to think about. I never believed it, I never even thought about it, if I'm honest.
"I thought I would be at United for a couple of years, maybe three or four, and then go abroad somewhere. But I just fell in love with Manchester United. I fell in love with winning, fell in love with the history of the club and being part of it was something I could never have imagined."
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