Introvert or Extrovert

For me it is hard to decide if I'm an introvert or extrovert. I show being an extrovert by being very bubbly and giggly. I also am very friendly to everyone, not wanting anyone thinking I do not like them or have a problem with them. I also show being an introvert by not really talking about my personal life or myself a lot. When it comes talking about me I like to keep to myself and not share mush. I do not trust people enough to put my self and personal information out there. It also depends on the environment. If I am somewhere I am comfortable and accustom to I will be more out going. On the other hand if I am somewhere I am not use to and do not know the people I tend to keep to myself and not say much. If I had to choose though I would be more of an extrovert because I am well known for the girl who is always laughing and smiling. No matter what someone is, being an introvert or extrovert, they are perfect they way they are.