Bullet journals are quickly becoming the hottest trend in scheduling and organization, and we've been obsessing over how accomplished they make us feel (and how darn pretty they look) for a while now. That's why we were even more excited to learn that there might be yet another benefit to using 'em: As it turns out, they could help us track our mental health too.

When Markale Bailey stumbled into his 16-year-old sister's room (as so many older siblings do), he found a brightly colored chart taped to her closet mirror.

His sister, Kyra Bailey, had created a pixel chart to track her mood every day in 2017. To chart each day's mood, she chose different colors: red for fantastic, pink for stressed, yellow for average and so on.

"I wanted to show the people on Twitter how creative Kyra is and hopefully inspire other people to keep a tracker of themselves of their lives, also," Markale told BuzzFeed News.

Kyra said she was inspired to create her pixel tracker after looking at pictures of bullet journals — and a specific tracker called "Do your year in pixels" — on Instagram. Bullet journals can look completely different from person to person, but they tend to include a variety of schedules and day trackers to chart different habits, activities and moods.

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"This tracker has a huge impact on my everyday life — it's a great way to keep track of how I am feeling during the week," Kyra told BuzzFeed.

Although Kyra only just started tracking her progress in January, her brother's tweet went viral, garnering more than 7,000 likes and 14,000 retweets. Now, people are applauding Kyra for her genius idea.

"I'm so glad that many people support the chart, I appreciate it a lot," she told BuzzFeed.

And not only do people support her and her chart, but she's also inspired many others to make their own.

"Using the tracker really helps my mental health," she told BuzzFeed. "It makes me feel like every day I'm a new person."

Time to add a mood tracker to our own bullet journals ASAP.

[h/t BuzzFeed