How To Write A Love Letter To Sister . You make my heart smile. Even if you can be there on their big day, having a letter they can open in private is a beautiful tradition. 2Pac Tupac's Letter to Sister Souljah Lyrics Genius Lyrics from genius.com You are strong, even on the days you think you aren’t, and you can handle anything that is thrown your. Sisterhood. —robin benway from the outside looking in, you can never understand it. This valentine’s day, i’m writing a love letter to my sisters.