Cat's ears. Another good way to gauge your cat's mood is to pay attention to the position of your cat's ears. Ears forward. A cat with ears slightly forward is likely feeling content or even playful. You're straight up. When a cat is alert, His ears are likely standing at attention as well.

Ears turned back. Watch out for this kitty. He might be feeling irritated or overstimulated, so it's probably a good idea to leave him alone. Ears turn sideways or back. This cat is feeling nervous or anxious about something. Use caution around a cat whose ears are in this position, ears back and flat against the head.

This is a sure sign a cat is scared and feeling defensive. Ears flat against the head may also indicate an angry or aggressive cat. Either way, ears against the head also means Don't mess with this guy.