work with a guy that is (or guys that are) push-overs. You most-likely will find yourself in a game that is tortuous and burdening.
You will have to cover your partners posterior repeatedly or face an unfair judgement of your game management skills.
Best to have a competent, self-assured individual that is unwavering and intrepid. Games will be much more smooth.
Mind you....self assuredness and competence can be misconstrued as ego, especially if the rat has a big one and is set to make the excuse of blaming game officials for his short-comings as coach or manager.
Of course,
that never happens.
My $.02