Only trying to hide feelings is stressful. To be polite and cordial, we have to do a certain amount of hiding. You might not get very far in the conversation with that response. You may want to be vague with your feelings to other people, but you don't want to be vague with yourself. So the next time you feel under stress, take a minute and think about what is causing the stress and what you're feeling.
Chances are the answer is yes.