Rod Stewart wrote (and sang) "You're In My Heart (The Final Acclaim)" in 1977. The line you quote is from the refrain: You're in my heart, you're in my soul. You'll be my breath should I grow old.
You are my lover, you're my best friend, you're in my soul. Depending on the source, the song was written about either an ex-girlfriend or a favorite football team.
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.