Have you ever wanted to write romantic love letters to your spouse or sweetheart? Are you seeking to increase the intimacy and passion in your relationship in a way that only romantic messages can accomplish? Well, read on -- we asked 100 of the top experts to share their tips about how to write the best romantic love letters. And you won't believe how easy it is!

The number one piece of advice that sex experts give, when writing a romantic letter, is to be yourself. Tell your loved one how you really feel in your own words. Don't try to be someone you are not and don't use sappy words that aren't your own. Your spouse fell in love with you and you are the one they really want to hear from.

Be specific: most of our top sex experts urged people who want to learn how to write romantic love letters to focus on specifics in their writings. Instead of expressing vague sentimental thoughts, say exactly how you feel and what you want to do with your partner, using concrete details.

Be passionate: many people are too shy or embarrassed to express their passion for another human being. A prominent sex expert explains: "Showing off true, burning passion is not accepted in our society. Thus, most of us are repressed in our expressions." If you are writing a romantic letter, ignore thoughts of shame and fear and don't be suppress your true feelings.

Be erotic: remember that true, passionate, love is not just all about roses and chocolates and teddy bears. The passion and desire two people can share is one of the most beautiful things in the world. So don't censor yourself when you write romantic love letters -- instead, try to reach down into your pit of burning desire and let it flow onto the page.

Finally, you could attempt a little something extra in your envelope. Scarlet red rose petals, a kiss of smeary lipstick, or something that might bring up a wonderful memory you and your partner share. Many sex experts suggest putting in a picture of a special time you had together so it will kickstart your lover's romantic memories.