Parshas Re'eh

Liyluy Nishmas Elchonon Tzvi ben R' Yisrael Menachem, Zekaini Moiri R' Baruch Moshe Aryeh ben Harav Zev Yehuda, my cousin Zev Yehuda ben Rav Shmuel Mordechai, Avraham ben R' Yizchok Zev, R' Dovid Meir ben Rav Shmuel.....

 In perek yud beis posuk chaf gimmel the posuk says "Rak chazak l'vilti achal  ha'dam ki ha'dam hu hanafesh, v'lo sochal hanefesh im ha;basar". "Only, exercise strength in not eating blood, for the blood is the life, and do not eat the spirit with the meat". Rashi brings down Rav shimon ben Azai who says, the Torah is teaching Klal Yisroel the extent that one must go to strengthen their keeping of the mitzvos. If blood which is easily avoided because man has no craving for it still requires strengthening oneself from eating it, then kal v'chomer other more difficult mitzvos.

The Sifsei Chachamim brings down in the name of the Mahari, that R' Shimon ben Azai was explaining that the yetzer hara of a person is constantly trying to overpower him,and therefore one must be careful in the seemingly easy mitzvos and Kal V'chomer in the mitzvos that people have a taayva to go against.

The Rosh Yeshiva ztl explained that we can see that according to R' Shimon ben Azai Klal Yisroel had zero taayva to eat blood, because its just miusdik. Yet after Hashem commanded against it one must be michazek themselves not to do it.The reason for this is that even though eating blood may seem nasty, once Hashem commanded against it, the Yetzer Hara is working on all cylinders to make people eat it. If the yetzer Hara can turn something uninticing intosomething that needs strength to stay away from, then imagine the things that started off enticing in the first place.

Rav Yisroel Salanter  ztl in the Igeres Hamussar explains that there are really two types of Yetzet hara's. One that plays to peoples desires and tries to cause them to fall, and a second that speaks to the tuuma of a person and tries to convince him to sin in order to go against Hashem. Therefore it is very possible to do things that one may not even want just because the yetzer hara is trying to get them to go against Hashem.

Its scary to see that not only do we have to be careful not to fall into the trap of doing things wrong that we desire, but even of things we have no interest in.
"V'haseir satan milfaneinu u'meiachreinu", hes coming from all over the place. Hopefully if we know that he's coming on so strong we can better equip ourselves for battle.
  Good Shabbos