There is some research showing it takes 90 days to establish a new habit But I think even just common sense, you know, not too short and not too long. What's what's a good length for people to really get into the groove and see some inner transformation without being huge commitment? "Not directly" based on any study of neuroplasticity or that concept?" Not directly," he says." All of us today are much more aware of these Psychological factors and there's the neuroscience can inform what we do today"