Talking about the chapter 139 attack on titan manga chapter 

Gabby Kim discusses what you can do to prevent being depressed on your birthday because she knows it can be a tough day for some. She talks about her past birthdays and how they've occasionally made her feel empty due to her high expectations. From reasons ranging from being sad that birthdays aren't the same as they were when we were younger to them being a reminder of being a year closer to death, Gabby tries to comfort you the best she can ;)

Gabby Kim talks about whether or not humans really have to be successful or if it's a dumb concept to have. She also discusses her definition of success and fear of failure. She explore the topics of school and success and how to deal with the stresses that come with it. 

"If you're happy doing what you're doing then nobody can tell you that you're unsuccessful" -Harry Styles

Gabby Kim talks about her struggles with her self-image and offers tips on how to take one day at a time. She provides insight on how social media and her school environment has been detrimental to her mental health and how it's easy to compare yourself to unrealistic standards. She shares her opinion on the longstanding statement that " you should love yourself before you love others" and how others can teach you how to value yourself. As a teenage girl in this day in age, she talks about her personal struggles with accepting her flaws and how she's trying to be happy with what she has in the present.