You missed my point. I'm saying those situations happened, but perhaps he was tugging away like a "real kid", while Scully remembers those moments with inaccurate reverence.

Not fantasies. They happened. And maybe the memories act like real memories… through the eyes of a parent.

All the William scenes actually happened. This is Lost and Fringe storytelling at its finest. They said in the first episode that the powers-that-be can wipe and replace memories, but they leak out sometimes. Those leaks are the flashbacks. We will get a scene late in this season where Mulder and Scully realize that…