"I have a date." Josie didn't often use the word date when she decribed her frequent socializing. She didn't deny that she made the rounds with a lot of people, but seeing someone more than once was a rarity and she figured calling it a date was close enough.
"Do you want something? Is that why you suddenly want to spend time with me?" She was frustrated that he was still stealing, despite her talking to him about it more times than she could count. And she was a little hurt that he had no problem being so reckless and thought nothing of leaving her stuck here on this island without him.