I(17M) crashed out at my girlfriend(18F) after she told me that she sends pictures of her underwear to her friends and apperantly it is just something girls do. I never ever heard of something like that before. Yesterday when she told me this, i was confuzzled. I did not know how to react. I couldn't say a word. Why would my girlfriend send photos of her underwear to friends? I am sure that the people who she sent the pictures were her female friends, but still it is so weird to me. I was a little mad, and we had a fight about it. She told me that I was overreacting and it was completely normal. We didn't talk since. Any advices about the situation? Is this actually normal?