Taking life not so seriously is a statement that is certainly very much influenced by where someone grew up, among other things. Ultimately, it is certainly not easy to not take things so seriously when a person grows up in a country, for example, where you are simply killed for what you think and say or what you wear.
How would you explain this idea or concept of taking life not to seriously to a child in Palestine that just lost all her family members and lives in conditions that are absolutely horrific?