Good interpersonal skills are important for effective work and relationships. Aditya lacked these skills, as shown by his unprofessional behavior like being late and making inappropriate jokes, which isolated him at work. Anita, in contrast, has strong interpersonal skills like speaking respectfully to all, maintaining composure, and resolving difficult situations smoothly, allowing her to be well-liked and respected at her company. Developing self-awareness, managing emotions, empathy, and handling conflicts constructively are key to cultivating strong interpersonal skills.