Translation of "Discontented" in Spanish

She has a boyfriend she's been going out with since high school, but she feels their relationship is in a rut, so she's become discontented.

Ella tiene un novio con el que ha estado saliendo desde el instituto, pero siente que su relación está estancada, así que ha terminado en un estado de apatía.

- The tree was so discontented, that it took no pleasure in the warm sunshine, the birds, or the rosy clouds that floated over it morning and evening.
- The tree was so unhappy, that it took no pleasure in the warm sunshine, the birds, or the rosy clouds that floated over it morning and evening.

El árbol estaba tan infeliz, que no tenía el placer del cálido sol, de ver los pájaros o las rosadas nubes que flotaban sobre ella por la mañana y por la noche.