I have very good hearing and so do cats (depending). You can talk with your young cat in a bit above a whisper when you are together. It's mellow and they hear you. You can relate a lot better by understanding their hearing for one thing.
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Spending five minutes talking to your pet daily will improve any relationship, if it is soft talking and eye contact is involved. You would be amazed how long five minutes actually is. You will have to time it at first. It will make your pet much happier.