Are there any coaching sessions regarding adoption relationships?

I reached out to my birthmother about 25 years ago and we have had a nice friendship since. About a year ago she decided that she wanted nothing more to do with me and did not want a relationship because I would not allow her to call me her daughter on social media. I know that this would cause harm to my mother (adoptive mother who raised me and is also on social media). My BMO (birthmother) is 73 years old and lives by herself. She has no other children and has never been married. She is also not close to her family. Will I have regrets and guilt when she is no longer here? Do I try to make amends?