^ comfort over WW, comfortable position, good nutrition practiced on long rides, bottles over camelback, conservative gearing, practice at rationing your effort, flexible clothing to cover a wide range of weather,knowledge of your mental weaknesses and how you can overcome them.
All of the above require long rides to perfect.
As for training – as much Z2 zone 2 as you can manage plus a weekly Z3 session building from an hour to 2 hours
Above works for me. Getting excited at the thought of rides to come.