Your ability to be convincing is one of the most important success tools. How convincing are you? Do people hear you? Do they adopt your ideas? Have you given up?
We are all guilty of losing our cool at times. My secret sauce is verbal aikido.
When I started my career as an administrative assistant I received lots of advice on the hard skills—like software—and even some soft skills—like policy and procedure. There were some lessons that I had to learn on my own along the way, however.