Blissfully content off the court and back to his best on it, Roger Federer hopes to play tennis for a few more years.
And former world No.1 John Newcombe has no doubts he will.
"He loves tennis," Newcombe said after the 35-year-old father of four became the oldest men's grand slam finalist since 1974.
"He's got a family but he's got a private jet, four nannies and half a billion in the bank - and his wife loves it. Happy wife, happy life.
"If he had a family that didn't want to travel any more and he didn't want to travel by himself, he probably wouldn't be playing."
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Federer feels revitalised after taking six months off to rehabilitate his injured knee in what Newcombe and two-time Open finalist Pat Cash described as a masterstroke.
Newcombe says playing on into his late 30s is all about desire.
"Physically, there's no problem," he said.
"But the whole thing when you get around 30 years of age is do you mentally still want to do it?
"It's the travel, the getting up and training and sitting around waiting for matches - do you still want to keep doing al of that?
"That's the only problem ... the rest wasn't hard at all (for me).
"I thought at around 30 I was at the peak of my physicality and mental abilities; my knowledge of what I could and couldn't do."
