A number of factors played a vital role in Paul Pogba's record-breaking move to Manchester United.
Money is the first, of course, after the Red Devils splashed out €140 million (£119m) to re-sign a player they sold for £700,000 in 2012.
Of that eye-watering sum, Juventus confirmed they received €105 million, whilst €5 million was bonuses and superagent Mino Raiola pocketed a tidy €20 million.
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Pogba's devotion to United also paid dividends. Despite criticising his "first home" in the aftermath of his departure, the 23-year-old has always yearned to finish what he started at the Theatre of Dreams.
And now he can.
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However, it would seem a third party also helped convince Pogba to re-sign for United.
In an interview with MUTV, per the Mirror, he revealed how Real Madrid's Alvaro Morata and Raphael Varane advised him to team up with Jose Mourinho at Old Trafford.
He said: "First of all, I spoke with a lot of players when he (Mourinho) was at Madrid.
"I spoke with [Alvaro] Morata, [Raphael] Varane and they all told me he's the coach for me; he will make me improve a lot and make me work harder. I feel this.
"I spoke with him a few times and he gave me energy, he gave me positivity. So I was thinking 'why not?'
"I'm sure he can make me improve and make me a better player and a better person."
Interesting. Pogba's revelation won't go down too well with Madrid's hierarchy considering how they also wanted to sign him this summer.
Morata and Varane can expect a telling off.
Nevertheless, Pogba appears motivated to succeed second time around and believes Premier League glory will help to satisify his critics.
The France international added: "First of all, I want to win the league for the first time with United, because I hadn't won the league when I left.
"The Champions League, of course, and personally, one of my dreams is to win the Ballon d'Or. That will come with time hopefully.
"But first the Premier League, I've never done it."
Pogba also had an exciting message for United's buoyant fans ahead of the new season.
"I'm back and I can't wait to make them happy, to show them that I'm still Paul Pogba, but in a different way.
"I came here not to joke, but to make them happy and feel like we can win the league."