Maybe you lack confidence because you keep looking for things to shoot down instead of opportunities for good things to happen. But, what do I know? I'm just a passive observer.
Let's see what happens and try to get Tara to finish a project instead of having you two shaming it to death and then continuing to beat it. Once that is allowed to happen, maybe, just maybe, the creative process of editing will be more helpful. After all, some people just suck at starting things. That's life.