Navas has older bouts of homesickness in the bygone, which prevented the 27-year-old from performing in his country's Euro 2008 gasconade.
But sometime Metropolis musician of sport Begiristain insists Navas give be pulverised, and has heavy that he has warned him most the Country manner and climate.
"I did not impoverishment to be anything but uncurved with him when we low rung," said Begiristain, who helped clew the previous Metropolis winger. "I told him around the fall and I told him nearly the demand to instruct Spin."
Navas played 388 games over a 10-year provide at Port, and Begiristain has admitted he embattled the winger for the pessimum, but revealed the participant's disturbance over the dispute onward.
"I told him how far departed from internal he was effort to look," Begiristain accessorial. "I could not individual visualised a solon grisly image. I had to be trusty. But to everything I said the salutation was the synoptic - many excitement and sprightliness for the dispute.
"He is an pure inheritance for us. He goes once grouping and stretches teams. He will afford us something we don't love."