"Are you sure you don’t want some of my water?” my brother David asked, extending his canteen.
“I’m fine,” I grumbled irritably.
“What about some protein bars or snacks?” he asked. “Rob and Julie have lots of extra. I’m sure they’d be happy to give you some.”
“No, seriously,” I said, gritting my teeth. “I don’t need any of that stuff. I’m fine. I can do this.”