Because it's true! I don't know why anyone wouldn't tell such simple truths like that.

[Dia tilts their head, seeming to actually contemplate the question]

Well... I suppose, really, it doesn't matter to me if you like me or not. Of course, I'd much rather that you did! But I can't force you to change your mind. besides, I like you! You don't have to like me so long as I can still help you out.