Traits we see in the Pit Bull personality:

Highly affectionate toward people, even strangers and children

Loves physical affection and attention

Never redirects aggression on humans even during times of high arousal

Confident and not anxious (calm, cool, and collected)

Obedient; eager to please

Balanced, emotionally stable

Submissive but not to a point of lacking confidence or being fearful

A certain amount of reactivity or sensitivity toward other dogs is normal and acceptable in a pit bull and in many breeds of dogs

Traits that aren't expected in Pit Bulls:

Fearful

Nervous or "stressed out"

Intolerant of handling or touching - avoids affection from humans or tries to get away

Territorial around humans; resource guarding

Aggressive toward humans

Willing to redirect aggression on humans when highly aroused

Overly aroused with no "off switch"

Extremely mouthy