I am with Trippin here this sounds almost an impossible match.
It's not that he is denying there is a problem, it's just his fundamental emotional being is SOO different from the OP's he probably genuinely doesn't feel there is a problem.

Your asking someone who is physically wired completely differently to the point where their own responses to situations can seem inappropriate, to anticipate your emotions. That just isn't something he can do.
For a start he might simply just not recognise some more subtle emotions.
Or may easily mistake one emotion for another.

Have you really looked into aspergers and ASD? And how it might interact with being Borderline.
A specialist would be your best bet.

Hope you can work it out.All the best.