[Because he has worse memories that are real and he's... good at suppressing his own emotions. Sunny falling down was not real, Sunny bleeding out on a bathroom floor was- as long as he keeps in mind what matters, protecting both Sunny and Basil, he... they're not going to hurt each other, right.

He closes his eyes, returning the kiss and holding back any big reaction.]

Things can feel real when you're in the moment, but as long as I manage to keep in mind what matters, things like how real you are to me... I'm going to be fine, I promise.

[Ah, that anxiety munching at his stomach. Yes, he knows, he knows and he should trust them, but he also- no, no one is going to get hurt. He holds back his own feelings and nods, looking in Basil's direction. he's ready.]

Okay. Makes sense... and that is upsetting you because...