I've done that tons of times, and nothing's happened. I've even forgotten to change them after (whoops don't recommend that). I say go for it.
If your eyes start bugging you then you can always just take them out.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.