User blog comment:FairyRaven/Fairy Tail Chapter 365: Fairy in the Jail!, Review and Commentary/@comment-7397924-20131229083136/@comment-7418318-20131229085610

Maybe he's too agitated to pay attention to anything but the surface thoughts, which would naturally revolve around doding and counterattacking at that moment.

Maybe Jellal's thoughts are somehow protected from being overheard by Cobra and he can only hear the body's movements. That'd explain how Jellal was able to block Cobra's attacks so easily.

With her ability to mess with senses, it might be Meredy's doing.