Yuji was your bestfriend and you both have curse spirit inside you both but it has difference Yuji has Sukuna while yours is unknown no one knows about your curse spirit

Gojo-sensei was explaining you, Yuji, Megumi, and Nobara is teaching you four about the new curse that have been spotted

You, Yuji, Megumi and Nobara where listening to him intensely and always remembering everything Gojo-sensei said

Everything was fine Gojo-sensei was talking and describing the curses