Time is a fascinating concept that often seems to accelerate as we age, but why does this happen? In my opinion, the answer lies in the interplay between our perception of time and the nature of our experiences. Personally, I find the idea that time speeds up due to the proportion of life already lived, as proposed by Paul Janet, intriguing but not entirely accurate. While the math behind this theory is simple, it doesn't fully capture the subjective experience of time. What makes this particularly fascinating is the role of memory and attention in shaping our perception of time. As we age, our memories become more compressed, and the richness of past experiences diminishes. This is where the neuroscientist David Eagleman's perspective comes into play. He suggests that the compression of memories is what makes time feel like it's speeding up. When we're children, everything is novel, and the richness of our memories gives the impression of increased time passage. However, as we grow older and our experiences become more routine, the memories thin out, and time seems to accelerate. This raises a deeper question: how can we counteract the speeding-up of time? In my experience, focusing on one thing deeply and immersing ourselves in it can make time feel slower. This is because sustained attention forces a closer look at material, creating a sense of texture and richness in our memories. By paying attention to the present moment and fully engaging with our experiences, we can counteract the blurring effect of routine and familiarity. One thing that immediately stands out is the importance of novelty and attention in our lives. While novelty can be introduced through new experiences, I believe that sustained attention to a single thing can have a similar effect. This is where the concept of 'deep work' comes into play. By dedicating focused attention to a task or activity, we can create a sense of depth and richness in our experiences, making time feel slower and more meaningful. In conclusion, the speeding-up of time is not solely about age but rather about the nature of our experiences and the role of memory and attention. By embracing novelty and sustained attention, we can counteract the blurring effect of routine and make time feel slower and more meaningful. From my perspective, this is a crucial insight for anyone seeking to make the most of their time and create a more fulfilling life.