Answer: well for one they would constantly compliment themselves whenever and where ever they can. For example say they made a meal for their friend. The friend says, “ wow this is good!” The arrogant person would say, “ of course it’s delicious I made it.” They may even be rude and say “ did you expect otherwise?” It just depends on how arrogant they are. Plus they have confident posture. Head up, makes eye contact they may even look down on others. They would do the power pose too. Stands up straight, head up, hand on hip.
Explanation: I hope this helps!