The context of the following conversation is Jan wanted to drive back home from their place but realized she left her keys on the kitchen table.:
Jan says Oh no! I forgot my keys on the kitchen table..
The friend responds So what are we going to do?.
Jan responds We either have to walk home or someone will have to go back and get the keys?.
The friend responds You better start walking back and get those car keys..
Jan responds Walk with me, please..