How you feel about being a vampire might be very different once you are one than before. You can't figure out what your expected utility would be, the likely level of well-being or happiness that you detain. Arguably, you may care less about other people and a lot more about yourself if you're a vampire,. They have a reputation for being narcissists.
Philosopher and author L.A. Paul talks about her book Transformative Experience with EconTalk host Russ Roberts. Paul explores the uncertainties that surround the transformative experiences that we choose and that happen to us without choosing. How should we think about the morality and personal impact of these kinds of experiences, especially when some decisions are very hard or impossible to reverse? Examples include becoming a vampire, having children, religion, and other life experiences and choices.