Vim - Is there a way to 'overlap' pages? (Getting visually lost when switching pages with Ctrl+f/b)

When I press Ctrl-f or Ctrl-b, it takes a few seconds for me to read some text to figure out where I am in the file. Is there some way I can make myself not get lost so easily?

For example, is it possible to change Ctrl-f or Ctrl-b so that they move some lines less than a page? If this is not possible, then is there a way to make Vim move line-by-line, quickly, but not so quickly that you can't see the text scroll up/down?

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