Shakespeare

I have read the first scene thing in Romeo and Juliet twice now. The first time I read it, it was a little foggy but the second time I went over it I finally started to understand it alot better. I hate the feeling of doubt that I get when I read something challenging. I tend to second guess myself and I don't think that my analysis of the story is correct. Does anyone else ever do this? I also think that there are a few different ways that parts of this play can be interpreted. I was kind of afraid to start on the questions in the book for fear that I would not understand something right or that I would interpret something totally wrong. I think that this book will be very challenging but I will enjoy it alot. The first time I read scene one I thought that Sampson and Gregory (if those were their names) were being very brutal, challenging and brave. Then I realized that they were being cowardly. Is this right? I thought that they were saying that they would attack the women because they were easier targets and they were easily defeated.