This is circular reasoning on your part, equivalent to positing that I'm not real simply because you are not me. Consciousness is a material, measurable process, that increasingly is better understood the more science advances. It isn't that I require no proof, it's that materialism is the best method for understanding, and the more science advances, the more it affirms the materialist understanding. You flip this on its head, affirming that even if materialism is the better method for understanding the world and is increasingly affirmed while idealism remains stagnant and increasingly disaffirmed, you prefer it to be true so you hold to it.