He isn't certain why he's suddenly so shy, but then mulls over the idea. A grin slowly forms on his face and he eventually enthusiastically nods.
"Ok, I think -- I know I can offer a few good stories." He had let Martha down far too often and now wasn't the time to do it again to her. Besides, he needed something to bring him a sense of purpose rather than stew in his own thoughts and drive himself crazy.