I told her that going to those kind of trendy places with your older brother and his boyfriend instead of your friends isn't 'cool' but she told me to stop being self deprecating.

[A pause. In the past, she'd have told him to stop making up dumb excuses, but as he reflects on this, he supposes the reason for the change is obvious enough, and after internally sighing he makes a mental note not to make offhandedly bitter comments around Sayu.]

In any case, that's my kid sister you're coming dangerously close to slandering there, Teru. Even a toddler is less capricious than Zeus.