Carlos Queiroz has warned party animal Cristiano Ronaldo that lively Madrid could have a disastrous effect on his career.
The Portugal coach, who nurtured Ronaldo's early years at Manchester United, feels the player will miss the dictatorial nature of Sir Alex Ferguson's regime.
After seeing Real Madrid's £80million bid accepted by the Old Trafford hierarchy last week, Ronaldo was spotted romping with Paris Hilton in Los Angeles and latterly a collection of sultry brunettes in Las Vegas.
And Queiroz, who sandwiched his two spells as Fergie's assistant at United with a season in charge at the Bernabeu, fears the winger could if left to run the roost in Madrid.
'I have my opinion about my wish regarding the career of Cristiano - and I think Manchester United was the right club for him,' said the 56-year-old.
'It's something to do with the fashion, the television, a different game that is in place nowadays.
'I must say that at Real Madrid, these things can happen very easily,' Queiroz told the Sun.