"Goddamnit, Sammy - " For some reason, he remembered things like this happening to him a lot when he was little. The words had come without really thinking, and he grabbed a wetwipe to rub Sam down before taking off his own shirt.
"As long as I'm being crazy. Sam. Sammy?" He tried out saying his brother's name to the baby, seeing if there was any reaction as he diapered the kid up.