Artists are, by nature, egotistical creatures. What more pretentious and ego-driven trade is there than creating art? If it were not for preference and subjectivity, art could not exist, so to proclaim it as one's profession is to proclaim one's talent as valuable to those worth impressing in whatever field of art one wishes to take up.
Richard Walton speaks of violinists, taking a stick bent around tightly strung horse hairs and applying it to cat intestines wound across a wooden frame, applying these two items to hours, days, and years of practice in pursuit of becoming "skilled" at such an activity. Imagine the immense ego required to pursue such a venture!
Surely artists are the most egotistical type of people one could find. We value our ideas, emotions, and very existences as something worth worshipping, or at least something worth appreciating.
This may be the reason why it is so hard for us to find lovers that satisfy us and the most primal of our desires. I can't tell you how