The context of the following conversation is Aubrey had to make Sydney explain themselves, because they were babbling with incoherent phrases.:
Aubrey says I was wondering why I could hardly understand what Sydney was saying..
The friend responds I noticed but she was babbling words to herself..
Aubrey responds Tomorrow I can talk to her and I demand an explanation..
The friend responds How irresponsible of her..
Aubrey responds I have never seen her this way..
The friend responds She may have a serious problem..