Listen
In case anyone wanted an audio clip of the Brother Moment from 8x23.
the emotion in their voices just kills me ugh
8x21 is already killing me
“You want me to do the airplane thing with the spoon?”

No but
We’ve seen that Dean was left alone to care for Sam in motel rooms for a number of days when Sam was only 3 or 4
Implying that caring for Sam and giving him food had been Dean’s responsibility for a long time already when Sam was a toddler
Dean probably has actually done “the airplane thing with the spoon” for Sam
