Detaching with love is very hard to do and not understood by many. One can love someone deeply and if they walk away before it's too late, the love remains. You clearly understand that. You (or your readers) may appreciate this essay I wrote on the topic. I discuss how I have applied it to many types of relationships--romantic, parental, and others https://marcus17043.medium.com/when-should-one-detach-with-love-f63180af8c8d