Good guess.

[Not that he minded being cuffed, depending on the partner. For now though, he took advantage, locking the cuffs into place around her wrists. With her trapped and topless, he immediately leaned in, mouth claiming her nipple as both hands massaged her chest. His tongue worked rapidly onto the nub, fingers lightly pinching the other. For all his stoicism, Hei could easily fall into a bit of a rut. And thanks to Sarajevo, it became much easier to just give into the lust.]