Of course, you will inevitably tell yourself "I'll stick to it next time; this idea just isn't good enough." The worst part is that the thinking behind this is

Of course, you will inevitably tell yourself "I'll stick to it next time; this idea just isn't good enough." The worst part is that the thinking behind this is (partially) correct; if you spend years working on a stupid idea, you won't always be able to build something successful through sheer effort.