Photography is a diversified field of creating a spectral variety of art. It is a specialization that deals with different experimentations with colors, however it is also a fact that only shades of black and white can also do wonders in this zone of creative art.
Candid photography is photography that focuses on spontaneity rather than technique. Your subject's focus is not on the camera, but on their current task.
In portrait photography there are a few guidelines that you should review and think about when you take pictures of people. The three general types of portrait photography are: close-ups or facial shots, upper body shots, or environmental portraits (where you focus on the subject and the surrounding environment that gives the subject character).
In the early days of film, black and white fuzzy film was the best that you could get. In many ways we are much better off nowadays, but if you still hark back for times gone by, there is a very easy way to convert virtually any photo into an image that looks like a frame from an old movie.