The document lists 9 things the author needs to let go of in 2022: 1) comparing themselves to others, 2) higher anger issues which sometimes lead to physical abuse, 3) being overly grade-conscious, 4) overthinking situations that haven't occurred, 5) seeking excessive attention, 6) being too talkative which has led to troubles, 7) being annoying and disturbing others, 8) acting like a spoiled brat which causes trouble at home, and 9) being lazy which causes fights with their sister and avoiding chores.