Staring can seem threatening. Use peripheral vision when interacting with an upset cat.
Allow aggressive cats a path to remove themselves from situations they dislike. Don't corner them.
Distract aggressive reactions like swatting with toys. Redirect energy into positive play.
Use treats and praise to reinforce calm, gentle behavior and interactions.
Get a vet exam to rule out pain or illness as a cause of aggressive acting out.
Try Feliway diffusers, calming treats, or CBD oils to take the edge off.
Yelling, spraying water, etc. increases fear and aggression. Stay positive.