The exact origin of this recording is not documented, so it circulates online mainly as a standalone Spanish reaction clip rather than as a quote tied to a confirmed show or film. Short phrases like this spread through soundboards and messaging apps because they can be reused out of context, and the open book metaphor translates easily even for viewers who do not speak Spanish. It remains popular for the same reason: the line instantly frames a person as transparent, whether the edit is sincere, ironic, or deliberately over the top.