Wanting to know the reason for being cast away by parents, to make peace with them, and to live together is not a weird thing. It's normal. In fact, I'm the one who's weird—I could not possibly explain it to her just like that. Conversely, it would only make her more worried.
In that case, I should explain with actions rather than with words.
I changed my position from sports sitting to sitting cross-legged.
「Snow, come over here.」
「Why?」