He has a major crush on this girl but he clearly does some weird things that have to do with her! Now he is realizing that she Is avoiding him and he is starting to get the picture. Does he creep her out? Yes he obviousness does!
And let the words fall out
Honestly I wanna see you be brave
This part of the song means that you should never hold in the truth even though you probably want to let it out. And that she wants to now what you are hiding! So let it out!