I know exactly what you mean, I'm a "painter" but I'm working within what I consider to be the end of painting (a la Steven parrino), therefore I limit myself from using paint materials to move away from what you mentioned about the strange self-indulgent nature of painting. My work is pretty sculptural in order to invade the space of a painting - that being said when I see painting I think a lot about its meaning, whether it needs to be painted - if it's relevant. Looking at your website I was confused by the difference between mediums , I'm a fan