"
But tell me where did you go, you go
When you saying need time alone, yeah
You really think I don't know, don't know
I know, I know, I know
This part of the song explains Levine asking his girlfriend where she went. The reason why is he has a suspicion that his girlfriend is cheating. The second part of this is Levine's girlfriend probably telling him lies, for example, "Oh I went to the store and didn't run into anyone."