>>11862234You could probably find the dna strand responsible for the release of endorphins related to love and attachment and modify it to inhibit specific reactions.
You might even be able to alter a person's dna so that they are no longer able to feel any sort of attachment whatsoever. If it's something that could be reversed, you could use this on soldiers, perhaps finding a way to eliminate empathy on the battlefield and reduce PTSD and the cist associated with it.
