At the end of it, those were my choices that made me let them go. There were moments I wondered if I could have done better in keeping them but with boundaries. But as I couldn't or didn't want to at the time, I was led to what is now.
Now, no, I don't regret it. But I try to learn from the past. So in the future, I can do better. When it comes to people, I can only get a certain fill of someone until I'd want space again. For healthy interactions, I need me time too. So I focus on that. No use in keeping people around who cannot handle you or who you could not stand.
Access to you should not be a gift for all. It is precious. So give it only to those who are worthy.