Journaling ideas for a possible month-long challenge - Might try this. I'm awful at journaling because I feel like I have to have someone to talk to while I'm writing and inanimate objects don't count.
Journaling is a great daily habit. It helps focus the mind and get rid of things that bother you. It can be used for mindfulness, achieving your goals, emotional intelligence, boosting your IQ, memory (Diy Step Link)