How do I answer these interview questions: tell me about yourself and why do you want to work here?

I have an interview with F.Y.E. and wanted to know how I could answer these questions. I've always had trouble knowing what to say. I'm 23 years old, go to college, have a gpa of 3.5. I'm very friendly, hard working, creative, organized, I've had experience working the cash register, I have... show more I have an interview with F.Y.E. and wanted to know how I could answer these questions. I've always had trouble knowing what to say.

I'm 23 years old, go to college, have a gpa of 3.5. I'm very friendly, hard working, creative, organized, I've had experience working the cash register, I have knowledge of and love music, movies, and video games...just don't know how I should say this.
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