Continued from June 28. Essence of the mitzvah – Sefer Hachinuch mitzvah 611 “one who transgresses it and does not make efforts to straighten his ways, to conquer his impulse, to improve his thoughts and deeds … has violated this positive commandment.” Tamuz is acronym to begin repenting. Repent for bad character.
Rashi Devarim 1:1 contradicts Baba Metzia 31a