Creating a diary is a version of the day in the life technique, but instead of focusing on describing a day in the life of a character from the future, participants are invited to explore what their own lives might be like in one or more alternate futures. This is a reflective/introspective writing technique that encourages participants to observe their life in the present through the lens of the future, including their actions, behaviours and personalities. They are invited to speculate how their lives and character traits might evolve in a future scenario. This technique is based on guided journaling and can be used in the preparatory stages of a pre-enactment.