Originally Posted by CWatkinsNash
Every POV is a dual point of view - in this case, the narrator's and your own. You're seeing what the narrator sees, hearing what he hears, and reading what he thinks - but you're not turning your brain off in the process.
There's actually a word for this in the industry. It's called an 'unreliable narrator' and it's a fairly common tactic in first-person narration.
A deft author can render secondary characters with enough detail to allow readers to form an opinion that conflicts with the views expressed by the viewpoint character, and the contrast between those two viewpoints can become an excellent source of literary tension.
The trick is to depict events
rather than just interpretations. It all comes back to the old adage of 'show, don't tell'.