It is essential to collaborate due to 5 major reasons. 1-self awareness, it challenges you to articulate and distill what you are great at, and what you do poorly. 2-scale in other words 2 head are better than one. most effective problem solving happens when you combine resources in talent, experience, capital and infrastructure. 3- Creative abrasion 4- to take the long view 5- learn learn learn and learn some more.