You generally have to throw away a lot of work before you get to something that you keep. And often you don’t know what should be kept and what’s headed for the trash until you get other people involved in the process.
But showing your colleagues the messy design process can be a bit like making sausage: sometimes it can ruin their appetite for the meal. The trick is to follow an iterative design process that enables you to do your best work, but also brings people along for the ride.