[ the tea kettle starts to whistle, and he brings it over, pouring the boiling water into daisy's cup. ]

I cannot say I am that invested in caffeine that I would want it injected in me. [ there is a reason cassian does not regularly drink or partake in drugs and it is control reasons! who knows what literally injecting a caffeine into his body would do, it might have weird side effects! no, he'll stick to drinking it like a regular human disaster. ]

Sometimes I just do not want to or cannot be fall asleep. [ is that a tiny bit of opening up to her?? maybe. maybe because he wants to see if she wants to talk about anything, but knowing how much she's like jyn, it's probably a no. ]