You're saying it like maybe in the future you can be happy, just not right now.

[Like always, she can't hide that it makes her sad or worry more. Kano 'deceives' but that's just a different way of hiding. His way works a lot better than hers. But it's probably lonelier in the end.]

If you think I can help, then... I'll keep doing my best for you. [Now would be a good time to say something, with all that's been on her mind, but she can't muster it, either. It wouldn't be enough to make him smile anyway.]

No, even if you didn't think I could help you, I'd just keep nagging you anyway.