I think I had some uneasy feelings when I was at the same flight experience. It would be a bad thing if you think you are invincible and know it all.
Most guys have been in your shoes at one time. Just keep on keeping on!
Like everyone else says, go do some more solo flight, that should help. Confidence comes with experience.
When I was instructing, my #1 rule for all students at all times was
ALWAYS FLY THE AIRPLANE. Don't let distractions get the best of you.
Safety first makes for later.