Was this what her odd behavior had been all about?

She was happy to be out, but puzzled by her parents' odd behavior.

In the face of such odd behavior from prey, it was suddenly not sure what to do.

Concerned about his odd behavior, they ask if he is all right.

When Alex gets news from his father's death, he shows an odd behavior.

Harry knew the reason for the odd behavior of the light.

He shook his head, fighting to understand her odd behavior.

You will also come to see the reason behind their very odd behavior!

Closer still, I discover the reason for its odd behavior.

Concerned with their mother's odd behavior as of late, the girls call the police before heading out.