had fallen in loveThe examples use related present perfect forms: me he enamorado means “I have fallen in love,” and se ha enamorado means “has fallen in love.” The usual reflexive form is enamorarse de alguien, meaning “to fall in love with someone.”
SP: Me había enamorado de ella antes de conocer la verdad.
EN: I had fallen in love with her before I learned the truth.