[Outside of the fiction of the twenty year jump, she hasn't said, "I love you." They haven't had sex. And while they have been sleeping over they don't share an apartment. Yet when this adorable man asks if she will go into co-custody of a tribble with him, without missing a beat she says...] Yes.
[Maybe it's that a virtual pet doesn't feel like a huge responsibility and commitment. Maybe it's hold over from that glitch. Either way it feels easy and painless to answer.]