"how was i supposed to know i m not a mind reader" in German How was I supposed to know? I'm not a mind reader. Woher sollte ich das wissen? Ich bin ja kein Gedankenleser. Detailed translations for "how was i supposed to know i m not a mind reader" How was I supposed to know? I'm not a mind reader. How was I supposed to know? I'm not a mind reader.(also: I'm no mind reader.) Woher sollte ich das wissen? Ich bin ja kein Gedankenleser.