That means, in English, "How do you know if your fiancèe is setting the pieces for you?"
This is gibberish. That your knows with you is a (girlfriend/fiancee) the the reality. Cómo tú sabes contigo es una novia él la realidad - is still gibberish How you know with me is a (girlfriend/fiancee) he the reality.
You already know how I am.
Novia
fiance
Como no sabes/conoces (accent on first 'o').
it means : how do you know that?:
and how are you, do you already have a Girlfriend?
How do you know so much Spanish
As you know I am pretty OR How do you know I am pretty
With an accent on the first 'o' in 'como':'How do you know what I asked you?'Without an accent:As you know, what I asked you.....(implicitly '....was....')
The cast of Como trompeta - 2006 includes: Luis Aranosky as Bandoneoneonista Silvana Sosto as Novia
Daniel Bravo Jiménez