[It's tell him now so he can be prepared or tell him later after something has already happened. Rei will suffer the consequences now rather than later.]
But you can't tell the difference unless we ask.
[Which leaves Gabriel. Castiel. Anna. If they can be trusted. Rei has to meet them in person, to truly be able to get a feel for them, but she doesn't want to go anywhere near that family unless she can be certain they don't have any allegiances to their psychotic brother.]
[Voice // Private // Unhackable]
But you can't tell the difference unless we ask.
[Which leaves Gabriel. Castiel. Anna. If they can be trusted. Rei has to meet them in person, to truly be able to get a feel for them, but she doesn't want to go anywhere near that family unless she can be certain they don't have any allegiances to their psychotic brother.]