[Angelo heads for the door, he's fed up with Marcello. However, that doesn't stop him from saying more before standing in the doorway.]

How could I care about you after being told to leave and never come back?! You never tried to raise me, only shunned me! So don't try and act like you ever did anything for me. I'm done with you, brother. You can stay in this clinic to rot by yourself.

[And with that, he begins walking out.]