I am a huge John Winchester fan. He loved his boys fiercely, but he was a neglectful father at best (Canon. Who leaves a small child for weeks at a time and makes them responsible for their sibling?). They made illusions to abuse (Dark Side of the Moon, for one), and the boys have a lot of emotional issues stemming from this.
[SET OF GIFS] "Dad just grabbed us and booked. Dropped us off at Pastor Jim’s about three hours away, but by the time he got back to Fort Douglas the shtriga had disappeared, it was just gone. It never surfaced until now." 1x18 Something Wicked This Way Comes