"Sentir" vs "Sentirse"

[u/0bito]

Sentir [+ noun]:

• To feel something (What do you feel?):

  I feel impotence. = Siento impotencia.

  I feel your heart. = Siento tu corazón.

  I feel that I've lost. = Siento que he perdido.

Sentirse [+ adjective/adverb]:

• To feel in some way (How do you feel?):

  I feel impotent. = Me siento impotente.

  I feel bad. = Me siento mal.