“Listen to me you suitors, who persist in abusing the hospitality of this house because its owner has been long absent, and without another pretext than that you want to marry me…I will bring out the mighty bow of Odysseus... and quit this house of my lawful husband, so goodly, and so abounding in wealth” (Odyssey, Book 21, page 2). Penelope shows us here that the suitors have taken complete advantage of their home, and she will no longer let that occur. Penelope indicates that Odysseus behavior towards the suitors will be justified. She is using Odysseus as a threat in a way. In the larger sense, his anger becomes worse when listening to his wife speaks these words so angrily.
These entire factor's lead-up to Odysseus devising a master plan to kill the suitors. This is a justified action and response to the events that Odysseus witnesses. It turns into being a massacre, but for good reasons. If he did not kill the suitors himself, he would have been the one to be killed. He had to take action against the suitors, in the name of honor and loyalty he saw as completely