Using black grout can be quite intimidating for first-timers because it highlights every mistake and uneven surface, making the process feel much more challenging than using lighter grout colors. When I first started, I felt like I was ruining the entire tile job, as the dark grout seemed to get messier before it got better. However, patience and technique made all the difference. One tip I learned is to use a damp sponge frequently to smooth out excess grout gently and prevent smudging. The ASMR aspect of this process comes from the rhythmic motions of spreading and wiping the grout; it can be oddly satisfying and calming to watch or listen to. For those trying this at home, I recommend starting with smaller sections and making sure the grout consistency isn't too runny or too thick. Also, cleaning the tiles thoroughly before applying black grout is critical because dust or debris will be more noticeable against the dark background. Lastly, allowing enough drying time before sealing the grout ensures long-lasting results and prevents discoloration. Overall, taking on this black grout grouting project was a test of patience but rewarded me with a sleek, modern finish worth the effort.