No contest, It has to be coffee, the real stuff, Either Dalmayer, or Eilles from Germany, freshly made , at least 1 Ltr, strong and black, This administered first thing every morning is enough to save other peoples lives, or at least prevent my teethmarks from being displayed on their shins , Visitors are advised not come near me untill I have had the first hour of the day on my own with my coffee .Nothing else will do.