Although love letter are usually between lovers, an admirer may write a love letters in the sand or at home to the subject of his admiration in order to catch his /her attention. I don't remember across any advice on how to write a loveletter. I think none has to rely on any advice on how to write a love letter because if the feelings are there then what one needs is to transfer them to paper. Writing a love letter need not be such a fearful thing to do. It is better than setting a date where both of you are too nervous. And of course if you are already lovers then there should not be a problem as to what to write. You can decide to write up a funny love letter that will make the other person laugh and make their day. Whenever two people who love each are away from each other or just for being lonely most people do look forward to haring from their loved ones. With the internet age some pranksters have misused these feelings and developed a love letter virus that are send out by email as if they were love letters. Out of curiosity people will open them and their computers will be infected then.