There are five features of the emerging adulthood:
-the age of identity explorations;
-the age of instability;
-the self-focused age;
-the age of feeling in-between; and
-the age of possibilities.
Berta is clearly experiencing the instability one given that she can't enjoy neither her life at home nor her worklife. She is going through the instability which, in turn, will bring the self-focused one where she will find herself and what does she want.