Especially Good Phrase

A phrase from one of the poems that i thought was really good was, "knowing that he only has to hold the pose for another second." The reason i think this is such a good phrase is because it tells the reader that it was only a pose. Or at least, that is the way i take it. This phrase is saying that the dad isnt normally like that, but he is just posing for the camera/picture. It tells me that either the dad didnt like the way he normally is so he had to find a disguise, he wanted to try to look a certain for the picture, or he wanted someone to see him in the certain way he posed in the picture. For example, maybe he wanted to look sophisticated, when he was really just a bum or something like that. This is important because a lot of the time, people judge you on the way you look, if they don't know you personally. If the author didnt have this line in the poem, then you would automatically assume that the dad is the way he looks in the picture, but since he added this part, you know it is just a look.