Feeling Helpless
At this point, Mike just felt helpless as Taylor ran off to her room, undoubtedly to cry. He had tried his best with her, and even a day off from work to spend with her did nothing to help the cause.
He needed to really think of something now. His daughter was clearly in dire need of help, and the longer he left it, the bigger chance it had of the situation getting much worse. In the meantime, he tried thinking of a way to help her.
He was so close to figuring it out before he got a call from school the next day. She had finally snapped.