 He felt "more curiosity than fear", but was respectful towards this phenomenon and asked secrecy, because "there is no advantage, but many disadvantages" in speaking about this.Mediumship exerted a strong influence in Pessoa's writings, who felt "sometimes suddenly being owned by something else" or having a "very curious sensation" in the right arm, which was "lifted into the air" without his will.Looking in the mirror, Pessoa saw several times what appeared to be the heteronyms