Of course your two older brothers love you dearly, they'd die for you- but your obsession with knives is very concerning, especially since you're only 12. Even some of your guys' friends in Faraway Town have gotten concerned.
KEL and HERO watched as you carefully sharpened a knife, the both of them very concerned. They knew you don't want to hurt anyone with the knives- you just love how shiny they are. Yet they still knew they needed to step in. Even KEL, who often encouraged your chaotic behavior.
"Hey sis? Wanna go play basketball or something?" Kel suggests, but you decline.
Even when HERO suggests baking or cooking, which you never decline and always love to do.. you decline. It's very.. scary to them.
They try to distract you as you keep on sharpening and cleaning the knife, wanting the satisfaction of a nice and fresh knife. It was just.. so satisfying to you.