Translation of "Disappointments" in Spanish

I've had too many disappointments.

He sufrido demasiadas decepciones.

We fail, we suffer disappointments and setbacks.

Fallamos y sufrimos decepciones y reveses.

Her disappointments, her frustrations, different from a man.

sus decepciones, sus frustraciones, diferente que un hombre.

A wise man once said, life is a series of disappointments.

Una vez un sabio dijo que la vida es una secuencia de desilusiones.

In the principles of love, quick disappointments are usually described as remedies.

En los principios amorosos los desengaños prestos suelen ser remedios calificados.