The 4-Hour Workweek, Expanded and Updated: Expanded and Updated, With Over 100 New Pages of Cutting-Edge Content.

by Timothy Ferriss

Have at least one 2-to-3-hour dinner and/or drinks per week—yes, 2–3 hours—with those who make you smile and feel good. I find the afterglow effect to be greatest and longest with groups of five or more.