My dad worked two jobs and moved us to the suburbs and just being a black person I went through a lot of racism and being called names and being bullied every single day. And it was hard. I didn't have any friends.
In other words don't expect to always be great. Disappointments failures and setbacks are a normal part of the lifecycle of a unit or a company and what the leader has to do is constantly be up and say 'we have a problem let's go and get it'.