Sweet romantic words to my girlfriend. Creative Ideas for Messages Start with a fairy tale in mind, and see where your love letter brings you. Keep me logged in. Sign in or sign up and post using a HubPages Network account. Just wanted U to know that I am thinking about you all the time, And hope U have a happy birthday, Sister. I wish you have a relationship that will last. The happiest moments of my life Me with my love The best thing that has ever happened to me in my life. Sadly, not all lovers can always be with one another. I wouldn't let you go, never! You are my essence, you're my ecstasy. These dates include birthdays, celebratory days like Valentine's Day and anniversary dates of a relationship. Guys like getting love letters from time to time too.