I think it is totally normal - but that's normal for me!! lol. I have a little cat, 10 years old only 2.9kg and her name is Teddybear, Teddy, or any number of idiotic names I call her - all day and night. If I lost her, I would think something was wrong with me if I didn't call out her name all the time. I am very much alone because of my illnesses and she is the closest person I have.

My Mum died 2 years ago and I still speak to her and just call out to her like others have said.

So I wouldn't worry about it.