Well,I'm like that too.But I'm told it's part of the process.Everyone who earns from this goes through that doubt phase.It's a natural thing,just don't let it distract you.And again don't try to ignore it.
You'd think from the way I talk I'm this genious!!!!!!
If you only knew!?
But then again maybe I'm not that badly off you know.
I'm a physics undergrad.