Think about a serious situation you have been in in the past. For example, a death in the family or a serious incident in society. How did you react? You'll probably react the same way next time. Try to remember what helped you in the past and make a plan to do the same thing again.
Talk to someone about how you will react and what you will do in a crisis. You can talk to someone you live with, friends, family, neighbors or colleagues. Make a plan for how you can support each other if needed, then it is easier to seek support when you need it.
Read also: Shared self-preparedness
Follow the advice for good self-preparedness from DSB. If you are practically prepared for a crisis, you are better prepared psychologically.
Take care of your mental and physical health on a daily basis. Good advice on this can be found on Helsenorge.no.