Asked if he hoped to spend time with the Portuguese, Johnson said: "I hope so. I spent £450 on a bottle of wine!
"I have had to raid my little girl's piggy bank. It is being flown in especially from Portugal."
"We have done the due diligence and realised Jose likes this particular bottle that has to be poured by an expert," Johnson told BBC Sport.
"So hopefully he'll come in and have a little chat with me and I'll try to pick his brain for five or 10 minutes.
"He's absolutely at the top of his game, with world-class managerial qualities. Any young coaches like myself of course naturally try and emulate coaches like that."