It was days after he was born. He was confused, lost and sensitive. He wasn't sure about what he was, good or bad? The questions in his head were a lot. Dean on the other hand wasn't helping. Always treating him like an evil and monster. You and sam but saw goodness in that kid and tried to be kind and protective for him.

That day he was angry and scared and when you Tried to approach him and calm him down he subconsciously used his power throwing you toward the wall of his room.