The context of the following conversation is After a long night of drinking and feeling exhausted, Ash got home.:
Ash says I was out late last night..
The friend responds I guess you were partying..
Ash responds I was drinking all night..
The friend responds When did you come home?.
Ash responds I don't know, I became exhausted and went home..
The friend responds You are all in one piece so I guess someone drove you home..