If my father was now writing posts on Hive, and I was still a small child, then when I grew up, I would read these posts. This is useful information. Some of this information may be passed on to your grandchildren.
The body is not eternal - but the immaterial is eternal.
I wonder at times what she will make of all of this when she is old enough to start reading it. It was started about 6 months after she was born, so it will be a pretty interesting perspective on her life too.