Paulo Bernardo has detailed conversations with former Celtic ace Jota about this time at the club.
The winger joined Saudi Arabian side Al-Ittihad for £25million during the summer transfer window after two successful seasons in Glasgow.
And Bernardo, who is on a season-long loan from Benfica, revealed both men are close.
He said: "I am working harder to make my impact. Jota has made his impact and I want to now make my impact.
"We are friends. I speak to him a lot of times, but now I have to make my own history here and hopefully, it's good, like him.
"He told me that the city was good, and I think that too. He told me about Celtic, that it was a really good and big club like we’re used to in Benfica, a really big club too.
"He told me that it's not too different, I think the thing that is different is the weather! I'm really enjoying Glasgow like Jota said I would."
READ MORE: Reo Hatate ruled out for Celtic until after Christmas
Bernardo also opened up on the "boring" frustrations of the Portuguese league compared to the Scottish Premiership.
He has struggled for regular game time since joining Celtic on loan but a hamstring injury to Reo Hatate has meant the midfielder has featured heavily in the Parkhead side's last two fixtures against Atletico Madrid and Hibernian.
And the 21-year-old detailed what the main differences are between playing in Portugal and Scotland.
He said: "In football here, the game is more intense. The game never stops. In Portugal, we lost a little bit of time in the game because all the players go down to the floor so the referee stops the game.
"It's a little bit boring compared to being here. That's the thing I have noticed most that it is different."
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