What would humans be like, if they weren’t self-aware?

Answer:
They would revert to typical animal behavior.
Explanation:
If the human brain wasn't so advanced, we would all function the same way other species do with the mindset of: Hunt, Populate, Survive.
Answer:
Start by working on your own emotional awareness. Remain aware of your emotions, and walk yourself through ways to control your resulting reactions. With increased awareness, you'll be able to better understand others' emotions and anticipate or empathize with their perspective. Get uncomfortable.
Explanation:
7 Signs You're Not as Self-Aware as You Think
You're a bully. If you didn't have emotions, you wouldn't be human. ...
You're defensive. ...
You're controlling. ...
You're passive aggressive. ...
Your behavior changes. ...
You're grandiose. ...
You make excuses