>>5557964Fulgrim said he did fall in love with some women, until he realized that with billions of lives at stake, being in love could risk all of them through hesitation on his part, so he chose not to fall in love again.
It might also have been that he was immortal, and they weren't.
But don't be silly, that's not at all what TalOS would do. It'd be just like UZI thought he would have been, "a cute pile of cells".