[gaius]

I'm under the impression that the cultural differences are largely in how much you let out, not in what the expression looks like when you do.

Annoyance vs anger is all in how much you let out, no?

[zbobet2012]

Uh no? I'm not angry when I'm annoyed... I'm annoyed.

[Tempest1981]

In both cases, the key is that your team members can detect that something is not right, or could be improved, and respond.