I see. A man thinks you are the most beautiful woman in the world...at night...and in the morning forgets to text you. He's 28.

It could be traumatic brain injury.

It could be PTSD.

Most likely he is a male. They are hot in the evening and cool in the morning. Expect a call some evening after dark, or after last call. That's when PTSD is always at its worst. Traumatic brain injury too. And what an anthropology called the male H factor, responsible for marriage, warfare and the overvaluation of males.