After listening to Glen's explanation, the three of them realized what had really happened.
Cathrine's arrival into their small group was an invitation that Glen gave her.
At this point they realized, and there were no feelings of objection to Catherine's arrival, who wouldn't want to be friends with a beautiful woman with the status of a respected nobleman.
This would obviously be very good for themselves and their families.
Moreover, both Adam and Marlon really need help from outside parties, in this case influential nobles, to further increase their chances of inheriting their titles.
As for Glen himself, he is clearly Cathrine's lover and how could he refuse her lover to join, on the other hand he is not a hypocrite either.
To get help from Catherine, especially her family's territory, was under the control of Catherine's father, Marquis Philip.
