I'm crushing on this guy and I told my friend about how I have a crush on him. I found out that he likes her and that obviously upset me. She said she would never go for him because of his age, but she is always flirting with him right in front of me and it really affects me. I told her that it hurts watching her flirt with him and she thinks I'm being selfish because she feels like she should be able to do what she wants... this made me pretty upset with her. Should I be upset? I feel like she's putting a guy ahead of our friendship.