I don't know any kid that's not afraid at some point going to bed with the lights off, totally. That's why they make nightlights.
I find it really hard to even read another script while shooting.
Even now, I'm better around people who are uncomfortable with themselves, the misfits.
Ignore the naysayers. Really the only option is, head down and focus on the job.
Dating someone on the opposite end of the happy spectrum teaches you an incredible amount of patience.
I think that when you let go and "throw it all away" and stop getting attached and say "whatever happens, happens", you don't invest too much in anything particular, and things work out.