The 21-year-old is delighted to have played a part in the Catalan club's success this season and warns that his side must not get complacent about their cup clash with Getafe
Under Gerardo Martino, the 21-year-old has been given an opportunity to break into the first team and he believes that his decision to stay and fight for a place at Barca has been vindicated.
"At first it took me aback but I've played 12 consecutive matches now. If I had said a year ago that I would find myself in this situation now, I would have been happy," Roberto told Marca.
"At no time did I consider leaving the club. This is my eighth season here and I think I made the right decision to stay."
As for being compared to Xavi, the young midfielder enthused: "He is one of the best midfielders in the world."
Roberto, who has been at the Catalan club since 2006, also insists that his side's Copa del Rey second leg against Getafe is not a formality despite the Blaugrana leading the match 4-0 on aggregate.
He added: "The tie is far from over. In the league, we were losing 2-0 after 15 minutes [Barcelona won 5-2] and, in the cup, if they score two quick goals, we may be in trouble. We cannot relax."