I went through this with my father when I was at the end of my 20s, 16 years ago. I went through it with my mother last month. As an only child, not easy. I wrote this to help understand my process- https://medium.com/the-wind-phone/im-so-sorry-58350d80e843

There is no right or wrong, to me at least. It seems you are navigating it in a way that you will be able to appreciate later, as strange as that may sound. My thoughts are with you.