Mourinho does not have happy memories of Vicarage Road, where he saw United succumb to a 3-1 defeat on their last visit to Watford in September previous year.
United lost 1-0 at Chelsea at the start of November and only once this month, in a 4-1 home win over Newcastle United, have they exhibited the kind of slick attacking football they showcased earlier in the campaign.
Watford take on Manchester United at Vicarage Road on Tuesday night (8pm) with both teams in fine form.
He said: "We know we are away but we still want to get the three points".
'It's going to be a tough game.
'Of course I love going back there. "I was there from when I was 10 to 21", said Young.
Defender Miguel Britos is a doubt after suffering a knock in the 3-0 victory over Newcastle and will be given a late fitness test.
The Hornets have matched their best ever start to a top-flight season and sit eighth in the table with managerless Everton trying and failing to lure Silva to Goodison Park.
'They are doing well in the league so we know it is going to be another tough game'.
"He told me what you would expect, good things about the competition, the Premier League, the matches as well".
Besides being good friends, Silva also admitted he looks up to Mourinho and hopes to one day emulate his fellow countryman's managerial successes.
They will be ready for the visit of Manchester United knowing they have the players and more importantly goals in them to hurt the visitors but it will be interesting to see if they can keep them at bay long enough to secure a positive result.
"He was on the pitch and I think Paul played very well but even with Paul on the pitch I don't think we managed to be fully in control".
Including their Champions League defeat at Basel last week, United have lost three of their last four matches on their travels, and now face back-to-back away fixtures against Watford and Arsenal before the small matter of the Manchester derby at home to City on December 10.