The Premium Journaling Package is a set of 9 daily journals for Bio 2 Plus users to track even more healthy habits:
When you log a journal, you simply answer “yes” or “no” to whether or not you followed your journal for the day. Adding a log to the new journals will follow the same process as our existing weight/diet/medication/hydration journals.
Swipe to the left of the time/date screen on the tracker to select apps 
> then tap 
to view the original 4 journals, with the additional 9 following that. Tap on any of the additional 9 journal options and you will be asked if you followed your journal, followed by the yes/no options.
Additionally, you can add a journal from the Striiv app home screen. Simply tap on the journaling + button on the bottom right and select the journal you would like to log. Then input the value and save the journal.
After you log a journal, you can see your journal history in a calendar view by tapping on the respective journaling tile on the app home screen.