Set some time aside to imagine the best possible future that you can have. Focus on having this future.
You will start to gain some of the benefits of being optimistic from this meditation. It only gives short term benefits, so you should try to do this every day.
Madelon L. Peters , Ida K. Flink , Katja Boersma & Steven J. Linton; “Manipulating optimism: Can imagining a best possible self be used to increase positive future expectancies?”; Pages 204-211 | The Journal of Positive Psychology, Accepted 27 Jan 2010, Published online: 23 Jun 2010