[He can probably recognize this, at least partially, for what it is. Giving him the opportunity to decide how much or how little he wants to elaborate on, even if they both know it's pointless.
His lips press into a thin line.]
I don't know you at all, but you've known me for too long. It's unnerving. [His brain supplies: I don't want you to know.
He doesn't want anyone to know him beyond what he wants them to know, but Scien especially. It riles that deeply ingrained part of him that's going to take so long to extract, in addition to just being upsetting to a very private person on a more general and normal level.]
no subject
His lips press into a thin line.]
I don't know you at all, but you've known me for too long. It's unnerving. [His brain supplies: I don't want you to know.
He doesn't want anyone to know him beyond what he wants them to know, but Scien especially. It riles that deeply ingrained part of him that's going to take so long to extract, in addition to just being upsetting to a very private person on a more general and normal level.]