"This may come as a great surprise, but you are my brother and I do love you, Sherlock."

He finally announces, with no little exasperation in his voice.

Mycroft realizes he may never have actually said it before, but really. He picks up the pace a touch, pulling head, moving professionally through the underbrush.

"We'll want to get as far as possible before the sun begins to go down. We can erect shelter for the night while it's still light."