These days I travel so much it's hard to get into a routine. When I'm on the road I tend to use hotel gyms. When I'm home in L.A. I like to hike and hit the surf. All in all I try to keep a balanced diet and exercise routine which has stood me in good stead to date.
Just as we accumulate memories of facts by integrating them into a network we accumulate life experiences by integrating them into a web of other chronological memories. The denser the web the denser the experience of time.