[... He doesn't really know how to say what needs to be said either; his brow furrows as he tries to figure out what, exactly Stahn is saying. There's...a problem with pre-planning it?]

It is... not as though I think it is necessary to discuss it ahead of time, but even so... perhaps keep it on your mind to clear my desk off first if the urge strikes you.

[For desk sex.

That's all he's asking for here. And he's not willing to let "my head isn't good at these things" to stop them from reaching an understanding.]