As much as Percy wished he could assure Marguerite that her brother would be all right, he knew there was nothing he could to assure her of that. After all, he wasn't entirely certain of the world the other Marguerite had come from. All he knew was that she had not become an actress, had not worked her way out of the life she'd had before. All that he could do was to just be there with Marguerite and hope that his continued presence would help assure her that she was back with him and not in some hallucination or something.
"Here and there, but nothing too extended after she woke up here and attacked me." He wasn't certain whether he added that last bit for something that might amuse Marguerite on some level, or if he was simply just relating a fact. Mostly he was just in a state of shock of having found his wife with a knife in her stomach. It was starting to dawn on him that had he not been out walking when he had, no one may have found Marguerite in time. He could have lost her without even knowing she'd come back to Lawrence. "She found her own room after I explained Lawrence to her. And technology."
Percy gazed at Marguerite, trying not to show how much he was scared of how close he'd come to losing her, but she could probably see right through him in that respect. That is if she wasn't too distracted by the pain and medication. But he had every faith that she was going to make it through this. Whatever would happen, he would help her through this and get her back to health. She had been in the medbay far too much. They both could benefit from Marguerite staying uninjured and healthy for a while after she recovered from this.