Similarly, the Kozheglover Gaon zt”l writes in Sefer Eretz Tzvi (Parshas Bechukosai) that reading the tochacha before Rosh Hashanah serves to annul aveiros because hearing these words breaks our hearts and causes us to regret our sins.

The Kozheglover Gaon explains that reading the tochacha before Rosh Hashanah breaks our hearts, leading us to regret our sins and annulling our aveiros.

The Tochacha Annuls Aveiros

Collected Thoughts on the Weekly Parshah From Rabbi Meir Isamar Rosenbaum shlita