Many ISTjs find it quite easy to interact with strangers and considering that they are introverts can feel quite close to someone even after a relatively short amount of contact. They often have a large compendium of jokes and anecdotes. Males often use this arsenal to charm females, usually behaving very gallantly, successfully playing role of the gentleman. They are often the life and soul of the party. They enjoy singing with little more than a guitar for accompaniment and often in a romantic style.