First of all, you are both very young yet and still learning about relationships and how to communicate when having a relationship. It's pretty normal to have some insecurities and uncertainties about what you want at this stage of life. There are also social pressures depending on what your cultural customs are too. Sometimes cultural customs make it harder to have the time to communicate when still young yet and she may not have much experience when it comes to dating or what it means to experience a relationship with a male. Lack of experience and knowledge most definitely can bring about some awkwardness.