To cope with his problems of hopelessness and low energy internally, Moritz can start a daily journal.
Writing a journal can help Moritz to find out more of what the issues that are causing his hopelessness and feelings of low energy. This can then help him find out what he needs to do in order to solve these issues.
It is an internal measure because it involves a process that only Moritz has to go through without turning to others for help.
All of the other options are wrong because regardless of the fact that they can help Moritz deal with his issues, they all require external measures and influences.
The best internal measure therefore, would be to start a daily journal.
Reasons journals are important can be found at https://brainly.com/question/23714048.
