This self-reflection essay delves into the author's communication skills, utilizing five diagnostic tools: Self-Perceived Communication Competence (SPCC) Questionnaire, Personal Report of Communication Apprehension (PRCA), Personal Report of Public Speaking Anxiety (PRPSA), Willingness to Listen Diagnostic, and Tolerance for Disagreement. The analysis reveals the author's discomfort in public speaking and a tendency towards less willingness to listen and intolerance for disagreement. Two professional interactions are examined to illustrate these issues. The essay incorporates a literature review discussing Communication Apprehension (CA) and its various forms, highlighting the importance of public speaking competence and tolerance for disagreement in professional settings. The author aims to improve these communication aspects to enhance workplace performance.