Abstract
I offer a philosophical account of vowing and the rationality of vow-making. I argue that vows are most productively understood as exceptionless resolutions that do not have any excusing conditions. I then articulate an apparent problem for exceptionless vow-making: how can it be rational to bind yourself unconditionally, when circumstances might change unexpectedly and make it the case that vow-keeping no longer makes sense for you? As a solution, I propose that vows can be rational to make only if they are implicitly conditional on a personal identification or social role that is itself escapable.