Book of Melachim

Regarding the reason why the Jew sinned while living the Land of Holiness and later when in the impurity of exile repented when seemingly it should be the opposite.

1 - When the Jews were in Eretz Yisroel, Hashem showed them great love and they were able to attain high spiritual levels without much work. This led to a laxity since they believed they were already holding where they should be and did not strive to reach higher. However the evil inclination does not stop and is always trying to dig in and therefore he started getting them on little things which eventually led to worse and worse things.

2 - Since