And, for some reason you consider this a problem? If so, please get over yourself and abide by her thoughts. The best you can do is be her friend(which is how you're suppose to base a relationship on and nothing else) and show her you are there for emotional support, physical support and mental support, whenver she needs you. But, do this if your interest in this person is more than friendship.
After about 1 week? It is likely you should have waited on the "it happened", because when rushed into, it creates more pressure, even if not realized at the time. You now understand, because of her reaction.
I hoped I helped. 