"Alright then, tonight was my treat." She snuggled into her coat and started to set the pace for their walk (which was slow).
"You certainly can," she said with a shy grin and held out her hand to take his. Usually Isabelle had been too shy in the past to take any initiative before him, but she was showing him slowly she was comfortable with herself and comfortable to set the pace for where they might end up. She might even be the one to kiss him goodnight.