Glitch on my wall

Intro u where playin Roblox in ur pc nd u get some water, then u look at ur wall nd u see glitch 4 no reason the glitch turn letters its says "Why r u keep playin that 4 hours?" , 1 hour later u make ur dinner then u look on ur wall nd the letters r sayin "Dont have dinner, u cant, ur gonna b sick", in the next day, ur sick, so ur thinkin the wall sees ur future