Boredom
Once the weekend was over, Ashton had to go back to work. Unable to wrap his head around the things that happened he felt quite exhausted. He focused on his job and tried to keep his mind off of all the distracting thoughts he had been having lately. . He was still scared about his secret getting exposed to the head Alpha, especially ever since Caleb, the one person who knows the head Alpha the best, told him that telling his father would be indeed a real threat.
He wanted to ask or rather pester Caleb about the situation, but knowing well enough the week he had had, quite literally since he can now feel all those intense feelings Caleb had due to the mark, he felt bad about bothering him. In fact, able to feel what Caleb felt was also part of the reason why he was so exhausted.