No matter what they went through and how many fallouts that occurred between the three of them, Harry knew he could and would trust Ron and Hermione with his life. For as long as they existed, that would never change. It was a comfort in a strange new world to hear those reassuring words from Hermione and he gave her a grin in return.
"I trust you," he simply said, squeezing back and letting her lead them away. In the end, the only thing that he could do was put his faith in her once more and know that everything would work out in its own way.