Mattie swallowed. [i]Shit.[/i] She was exhausted. Depressed. Just wanted to lay down and–– a vision of the last time she saw her brother flashed through her head. No. She wanted to live, god damn it. This guy seemed worn out too. From how much he was shaking in both his voice and his physicality, he was either too scared to be any good at defending himself, or too malnourished. Or both. Perhaps they'd be more effective at finding useful things if they joined forces. 

Trusting the wrong person could be her last mistake, however. 

Her voice came out as measured and taut as she felt. "Then perhaps I can join you."