a tiny question about trivia

There is something that happens in dramas on screen that always strikes me as a visual cliché, but worse than that, as actually untrue. You know when characters are missing someone they love and they pick up a photograph of the loved one and look at it longingly?  Or they find a photo in an album and look at it. Have you noticed that the next thing they do is they touch the photo?

I never touch photographs. Do you? Yes, I might pick up a framed photo of someone I love and look at it. But I don't touch the person pictured in it. I don't touch the image. It's not about marking the photo - because I don't do it if the photo is framed. 

Do you? Does anyone? Tell me I am wrong and then I can stop feeling annoyed every time I see this on screen.