What is meaning of the idiom To turn over a new leaf
What is meaning of the idiom To turn over a new leaf
A: To cover up one's fault by wearing new marks
B: To change the old habits and adopt new ones
C: To change completely one's course of action
D: To shift attention to new problems after having studied the old ones thoroughly
Turn over a new leaf means reforming habits for better. Option B for personal development themes.