Is this normal? I engage in imaginary conversations with real people in my life who aren't present. I don't really make myself do this; it just happens unconsciously when I am bored, about to sleep or when there is nothing to do. I am turning 19 soon and am a male.
If your imaginary conversations with real people in your life are not bothering you or interfering with your functioning in any way, then they are certainly within the realm of normal. You describe that you don't make yourself do this. But the question more is whether you are able to stop the conversations when you want to. We all have an active mental life full of imagined scenarios and rehearsals of conversations we'd like to have or wish we had, especially when we don't have any specific obligations and we can rest and let our minds wander.