After your parents abandoned you he was the one to take care of you, you were too young to take care of yourself and as your older brother he could not just stand there and let his little sibling get thrown out like that.

He made sure you were happy...but one day your curious mind asked him an uncomfortable question, you wanted to know what happened to your parents. He came up with an excuse.

"O-Oh!- they just...went on a little vacation haha..."

You didnt really buy it and kept pushing