From Her Eyes announced his departure from From Her Eyes in mid-July, citing personal commitment as the reason. The split was amicable, and Luke was replaced later with Jesse Simmonds, a close friend of Kearle and his ex co-band member of Concepts of Fiction In the following months, From Her Eyes continued to perform regularly whilst beginning to write new material. Demos for the tracks "Comatose" and "Disillusionist" (which would both feature on the band's EP Demons) were completed in late 2013. Due to creative and personal differences Indigo Lani Lewis-Jones was removed from the line-up in January 2014. Upon her release, From
"What Is This Heart?" of 69, based on 32 reviews, which indicates "generally favorable reviews". Ian Cohen of Pitchfork Media gave a very positive review of the album stating, ""What Is This Heart?" makes you initially susceptible and vulnerable, and that’s risky when modern discourse seeks metaphorical blood, allowing people to disclose more than ever without actually revealing anything. So make no mistake, the title of this album is a challenge as well, as How to Dress Well’s modern masterpiece is conducted with the most eternal transparency—Krell asks “what is this heart” and lets you look right into his own." "What Is This Heart?"