Madness is the obvious answer, then there are hysteria, delusion, extreme hypochondria, catatonia, to name a few.
For the answer to the question above, Odysseus tells his son about his plan to kill the suitors and Telemachus thinks he is crazy. He thinks it is impossible because there are hundreds of suitors and they are only two men. <span>There are hundreds of men with their helpers and armorers prepared to kill Odysseus.</span>