Jensen running faster than the stuntmen. I'd like to a see a foot race between him, Moose, and Misha. Jensen would book while Jared would just take long loping strides easily keeping pace. Meanwhile, Misha would just fly to the finish
I think Dean has always tried to protect Sam from John in a way. He gave Sam a Christmas so that Sam wouldn't think his father had lied and I just think he doesn't want Sam being hurt by his dad anymore.