It's understandable to look for your father when he's missing.
Dan is at home one evening when he notices that its getting late and his father, who lives with him, still hasn't returned home after work.
Dan wants to locate his father.
Dan goes out looking for his father at all the places he thinks he might be.
Dan sends his father a text message asking where he is but receives no response.
Dan finds his father having drinks at a local bar and feels relieved that everything is okay.
Dan doesn't figure out where is father is and worries all night about it.