Is there a connection between Gregor’s eating problems and Grete’s violin playing?

We can also notice that he stops eating at about the time when Grete begins to neglect him. Gregor is looking for a nourishment other than food; he wants attention and love, something that he has now been cut off from.

When Grete begins to play the violin in the living room, something stirs in Gregor. As he crawls out of his room drawn by the sound, "he felt hardly any surprise at his growing lack of consideration for the others; there had been a time when he prided himself on being considerate."