Personally, I enjoy the prospect of believing in a product or a service or a publication to the point of promoting it. I do love to sell and marketing allows me the opportunity to develop a plan for promotion.
Marketing is simply that. There is a psychology of buying and the study of buying habits and what motivates buyers is exciting.
If you can wrap your head around any of this, then a career in marketing is for you.
Let me know if this helped...Webjunki