i never pick it up or move it anywhere else, so it just keeps getting pushed to the side when i reach for other stuff. sometimes i wonder if i left it there for a reason months ago and just forgot, or if it somehow migrated from somewhere else.
with 91% isopropyl (rubbing) alcohol to remove most of that shine of the acrylic paint and effectively blend it to whatever shade of white your walls are! You'll have to do some experimenting as different formulations of acrylic may make your mileage vary, of course.