Learn how to notice small details.
It's not a superhuman ability. It's important to note when talking about Holmes that he has spent a lifetime cultivating the habits of mindfulness. So it's not like he was just born with this ability to be in touch with the world. What we choose to notice or not notice is a way of framing it in our own mind. We have a lot of bad habits in our mind, and we have to retrain ourselves to really notice the world. Everything we do rewires the brain, but we can rewire it in a way that mindfulness eventually becomes less of an effort. -- Konnikova