Taking B12 is the price of getting to be vegan, the way wearing a helmet is the price of getting to ride a motorcycle and giving up alcohol for nine months is the price of getting to have a baby.
Because of an instability at my own core, it comforts me to live, fixed, within a story. If reading is our consolation for having been allotted only one life, I find that writing oneself into a fictional world is even more comforting.