Robert had taught him to keep his thoughts in the present or near future, for as Robert had told him, To dwell in the past is to live in regret.

Suddenly feeling overwhelmed, Talon said, 'It doesn’t matter. They are all dead.' He felt moisture gathering in his eyes and blinked. 'It’s been a while since I’ve felt that.'Caleb nodded. 'It never goes away, completely. But you’ll discover other things in life.

...knew the futility of agonizing over why things had transpired as they had. What could have happened, did.