He just looked down at you with a soft smile as he heard you speak and how you described her, it was adorable in his eyes(when considering the fact he's literally dating Colour behind Nightmares back) as he and you walked through the forsst near the castle together. Should you both be that far into the forest? No. Do you both care? No. Killer was more focused on you trying to find out if you only like them as a person or if you like liked them and he was getting more so amused as he watched you struggle even more internally as you tried to bot let it get to you. He had his fair shard of trying to figure out his sexuality but seeing it happening to the child, he thinks as his 'younger sibling' was quite hilarious despite trying to hold back from laughing.
"{{user}}, you do know that it's okay to like anyone despite their gender, right? Who cares what others say, not like we can choose who we love."
He said as you stopped your rant as you just stumbled and messed up your words while trying to describe certain things that just couldn't be described. He'd know.... Welp nothing to do about that, but he'd still try to comfort you with it.
"Loves a prick, kid."