How To Write A Birthday Love Letter To Boyfriend . Let us thank the sun for being so radiant, illuminating everything and tinting it of a golden color that i know you love. My dear boyfriend, i feel so lucky and grateful to be your wife. Love Letters Anniversary letter to boyfriend, Anniversary letter from www.pinterest.com I know it is your birthday, but i want you to know that, by your side, for me every day is my birthday. Thank god you found me, took me out of misery and set me on the pillars of love. Love of my life, may god shower you with all the happiness of earth and heavens.