Shinya could have teased Kaoru about his lack of cat knowledge, but his tongue was tied and there was a beer being handed to him and he felt like he was a teenager again. No matter how many times he told himself that he didn't want a beer, he ended up holding one in his hand anyway because it was rude not to accept something someone gave to him.
Twisting off the cap felt awkward, but in a good way--like talking to an old friend that you hadn't seen in years. That thought couldn't be healthy.
"If you feed him a bit of vaseline once a week, he won't have a hard time coughing them up.."