When it comes to tshuva, the observant Jew whose tshuva isn't about starting to keep kosher or shabbos has a much more difficult task at hand.
Rav Setinzaltz addresses the difficulty as well as the beauty of what awaits this type of person.

torah, tshuva, repentance, shlomo katz, chabad, elul, rosh hashana, jew, shirat david, efrat