He's the great combination of being a player who you could build your whole team around and he'd thrive, but he's also willing to completely sacrifice his own game and do a job for the team when he plays out on the wing. He must be a managers dream as he clearly does whatever is asked of him without complaint.
When you see him playing centrally, it does make you wonder why we keep letting Gundogan play when Kev/Dave need a rest. I've nothing against Gundogan, but Bernardo is just so much more influential in the center of the pitch than he is. Him and Kev could and should be our attacking midfield duo for the next 5 years, minimum.