I said this when I was 6, and everyone laughed

Two twins came to our house one day, and I kept calling them the wrong names (they were their names, but I said Harry to Thomas and vice-versa)

My dad came to me and said 'can't tell them apart, can ya?'

'No dad, I can't tell 'em together!'

(Waits for downvotes)

Edit: first page with only 7 likes, wow.