Does Jinx Love Silco?

Make no mistake, there is no sexual relationship between Silco and Jinx, but her mannerisms toward him say otherwise.

Did Silco care for Jinx?

Silco would eventually come to genuinely love and care for Jinx as his own, shielding her from his subordinates' criticisms yet being well aware of her tendencies of being a loose cannon.

Does Silco love Jinx Arcane?

Even after she gave him a fatal wound in a moment of overstimulation, he never thought to disparage her -- instead, in his last words, he called Jinx "perfect." Whether or not their relationship was a healthy one is a conversation for another day, but the fact remains that Silco unconditionally loved Jinx.