keeping a stiff upper lip

confident easygoing levelheaded poised relaxed self-assured serene tranquil unflappable unruffled

calmed cool possessed quieted repressed sedate soothed suppressed

at ease clearheaded commonsensical cool as cucumber disimpassioned dispassionate easy have one's act together imperturbable keeping one's shirt on nonchalant not turn a hair placid self-possessed sensible serious staid sure of oneself temperate together untroubled

agitated nervous upset worried

excited

angered annoyed aroused distressed perturbed