The grim look of disdain says 'no,' but the crushing sense of feeling trapped with no way out says please god help me, so what wins out is an agitated sigh of resignation. He will do the thing, but he won't enjoy it.
"Fine. Just try not to slow me down if we run into anything creepy."
it's okay!
"Fine. Just try not to slow me down if we run into anything creepy."