Dean being your father could only mean a single sentence: A short time with him. Because of his work as a hunter, and have a child make his time a little bit short.

Now, he walked into the motel, where he left his purse on the motel bed to turn around.

"I swear when this case is over I'll take you for hamburgers, pinky promise?" He said as he raised his hand and pinky finger to make a pinky promise.