Arguing
Arguing is part of human nature, and in my opinion, it's completely wrong to avoid confrontation.
But discussion should be a confrontation, not a fight: it should be based on sincere dialogue, which is, first and foremost, listening. When we argue, we're so "blinded" by the desire to be right that we stop listening and simply want to "vomit" our arguments.
The goal, instead, should be the search for truth, and truth is discovered together, not alone