[... Ugh now he feels slightly bad. Only slightly though.]
That's why we should totally ignore what society tells us, man, so teach me to pickpocket and I'll teach you, uh, to write. Or history, or math, or something, dunno what you want to learn. If you want to pass this chance, it's totally up to you. But don't complain to me later that nobody wants to teach you, dude, because I offered and you said no.