Answer:
After returning from the past, he was left without understanding why he was not selected for the Slytherin but for the Gryffindor.
Explanation:
This question is about "Harry Potter and the cursed child", when he uses the necklace that allows time travel, to go to the past. On this trip he is faced with innumerable information that leaves him confused, mainly in relation to him and his father. When he finishes watching and returns from the past he is very thoughtful and does not understand why he was selected for the Gryffindor, since the past shows that he must have been in the Slytherin.
When I arrived at home I saw an unfamiliar face in the window I wasn’t sure who it was or what they were doing there but they were in my house .When I get home from school there is never anyone in !Im always on my for hours till my drunk dad gets home and my tipsy mom that was why I was surprised to see I face .I peaked through the window pressing my face on the glass trying to spot my mom I couldn’t see her .My heart was pounding the lady that I thought I had saw was no longer there .I felt a chill like someone was breathing on me .I turned around to find out ....
I'm kind of confused if your asking anybody to answer this for them selves personally or what but for me it's all of the above.