I bought a set of blank keycaps from wasdkeys and after a month I can see them balding (looking shiny) already. I have been playing FPS games so the wasd keys are noticeably shinier, but even the surrounding keys look a little different. I always have clean hands when using my keyboard (I hate oily electronics) and my 5 year old g15 doesn't seem to be getting as worn. Is this common with their keycaps?