Grooming your personality is just as important as grooming your outward appearance. When you regularly work on developing good personality traits and minimizing bad ones, you’ll make more friends, do better at work, and feel happier overall. Your personality isn’t set in stone, even as an adult, so it’s completely possible to make some changes for the better. To groom your personality, first set some goals for yourself. After that, work on strengthening your positive traits and sharpening your interpersonal skills.