[The odd silence and the subsequent tone - like an old lady in the fish market looking for gossip - suggests that not only is this something Taako was not aware of, nut that he desperately wants to know. When he returns with a drink the visual almost makes Nate laugh.]

...okay, this- [He sighs, even if the smile that accompanies it borders on a grimace.] This is actually confidential shit, Taako. As in, if it gets out, I will die. Probably very slowly, and very painfully.

[The stress in his voice conveys the sincerity he is trying to impress upon his friend, if only because Nate is actively acknowledging the stakes.]

This can't get further than- you, and maybe Lup.