Angel's gaze quickly moves between the two of them as he processes: that particular information hasn't been presented to him so blatantly thus far, but he had been very aware of the fact that the situation itself merited digging.

"Civility," he says in tone that borders on warning, though he fixes Dipper with a look that he hopes conveys that he would like to speak at length later on-- not as a rebuke, but clearly Dipper knew something Angel didn't. His attention moves back to Alex, carefully reserved.

"Not going to have a problem, are we? Everyone on their best behavior?"