Carol and Jim
Apparently he didn't want to talk about their earlier conversation over the PADD, which probably shouldn't surprise Carol that much. Jim didn't seem like the type who liked to have extensive open discussions about his feelings. That in turn made Carol realize that she probably had a type.
"I'm not overdoing it, but if you're worried, stay here and have a few drinks with me. Make sure I'm not running back to the lab." She took a swig of her beer.