Promises 1: Through Neon Eyes #3 by Michael Barnettte

With his life– and emotions– turned upside down David finds himself unable to concentrate on his work because his mind is just not on his research. His thoughts are on the new experiments he’s been part of in his apartment. Experiments that are whetting new found appetites for things more satisfying than food or money. Research involving his own psyche and an addiction called Bells.