Wenche wanted to remain hidden from Vidar's family to protect herself, and so she had told you to Magne, but Magne still goes to her, rather romps in there, and they talk for quite long right in the street and she gets seen by adversaries. The entire development stinks of utter foolishness. They could have remained inside so as not to get seen by anyone and then they could have explained Magne's arrival to some other excuse. And Mange has to learn some finesse in interpersonal relations.