We're all guilty of it sometimes: You keep secrets from your friends, family, boyfriend or girlfriend and teachers when you know, deep down, that you should be open and honest. Although your favorite movies and TV shows may glamorize the mystery of keeping secrets (and the dramatic reveal), keeping important experiences or feelings to yourself may have a serious negative impact on your life and relationships.

Here are five reasons you should be spending more time talking things through with the people you trust -- instead of holding it all in.

1. Secrets have been shown to lead to depression.

Researchers in the Netherlands recently found that young people aged 14-19 who kept private secrets had higher levels of rule-breaking behaviors and reported lower moods and more complaints of headaches. The study also found that secrecy was correlated with feelings of loneliness. To avoid the isolating and stressful burden of carrying a private secret on your shoulders, tell a trusted friend or adult.

2. It's true: Secrets don't make friends.

There's a lot of truth to the childhood maxim, "Secrets don't make friends." The Netherlands study also determined that teens who reported keeping more secrets also confessed to having lower-quality relationships that young people who kept fewer or less significant secrets. While there's no need to air your dirty laundry to all your friends in the interest of avoiding secrets, keeping important things from people who trust you can harm (and even ultimately ruin) your friendships.

3. Keeping a secret private can be stressful.

Some things aren't easy to keep to yourself, and you may have to watch your back to make sure parents or friends don't find about about your secret -- whether it's an under-the-radar relationship or the fact that you're failing Spanish. Small secrets can easily snowball into big secrets. The stress of lying to your friends and family can be a major source of anxiety, and it's one that you can easily avoid by coming clean right away.

4. Secrets lead to lies.

A big secret can easily turn into a web of lies. After all, it's not easy to keep something important from the people you care about without telling a few little white lies (and maybe some big ones) to cover your tail along the way. Without getting into all the reasons that lying is something you just shouldn't do, suffice it to say that honesty really is the best policy.

5. People are more trustworthy and understanding than you might think.

If someone has proved themselves to be worthy of your trust, then that person is worth confiding in. You might be surprised at what a relief it is to open up about the things you've been keeping to yourself.

Tell us: What's the worst secret you've ever kept? Share your thoughts in the comments or tweet @HuffPostTeen.

Also on HuffPost:

Loading Slideshow...
  • Growing Up Isn't Easy

    Arguably one of the most relatable protagonists of all time, troubled high school student Holden Caulfield taught us all about the challenges of leaving behind childhood innocence and entering a cynical adult world full of disappointments, hardships, superficiality and "phonies." As Holden learns to accept this new world he's becoming a part of, he must let go of his black-and-white conceptions of people and situations and realize that things are not always what they seem.

  • Money Can't Buy Happiness

    In the upper-crust worlds of East and West Egg, New York, money changes everything -- and wealth is a ticket into the elite class. Although it affords the books' characters their lavish lifestyles, one thing is for sure: Money can't buy happiness. Whether nouveau riche or old aristocracy, wealthy characters like Gatsby and the Buchanans lead lives that are ultimately hollow and devoid of true connection.

  • Every Man Has To Look Out For Himself

    OK fine, so navigating the hallways of your high school may not be as vicious and cutthroat as trying to survive on a desert island with only a small group of your peers. But still, there's a lot to be learned about social hierarchies and interpersonal dynamics from Golding's classic survival tale "Lord Of The Flies," particularly: You can't expect everyone to act for the good of the group (poor Simon!).

  • All's Fair In Love And War

    Shakespeare's romantic tragedy "Romeo And Juliet" -- the time-revered tale of two star-crossed lovers -- shows how love can triumph above all other things, but also have the capacity to destroy entire families. The most famous love story in history reminds us that when it comes to matters of the heart, almost anything is fair game.

  • Don't Judge A Book By Its Cover

    In Austen's classic novel of manners, the fiercely independent Elizabeth Bennett and the well-bred Mr. Darcy don't exactly see eye-to-eye on things -- and it's because they judged each other too quickly! Initially, Darcy snubs Lizzie because of her family's inferior social status, while LIzzie immediately decides that she dislikes Darcy because he made a poor first impression. But in the end, the two realize the error of their ways and fall in love. The message? Don't judge a book by its cover.

  • You Can't Always Trust The Government

    We all know the phrase "Big Brother is watching," but did you know that Big Brother refers to the authoritarian regime of George Orwell's "1984"? Orwell's gripping novella expounds the dangers of totalitarian governments, and concerns over the increasing role that technology could play in the monitoring of citizens. Although Orwell was speaking to the rise of communism in the wake of World Word II, the message still applies: If you don't agree with what the government is doing, speak out.

  • Intelligence Is Thinking For Yourself

    Not everything that they teach you in school is correct and should be accepted blindly, as we learned from Huck Finn. If there's one thing Huck's good at, it's questioning what he's been taught -- especially when it comes to race and slavery. Huck put his own moral judgments above what society told him was right, teaching us that sometimes, your own instincts are your best guide.

  • Wisdom Is Greater Than Physical Strength

    In Homer's classic picaresque novel, Odysseus proves repeatedly that cleverness and cunning can win out over sheer physical force. The warrior uses words and clever attack plans to defeat even the most formidable foes, like Polyphemus. The takeaway? In ancient Greece or in the digital age, intelligence wins over strength in any fight.

  • The World Isn't Black And White

    Harper Lee's English curriculum class "To Kill A Mockingbird" asks its reader to explore the question, are people inherently good or evil? Scout's experience shows that things aren't as black and white as they seem. As she goes up and is exposed to parts of the world she was hidden from as a child, Scout learns that although evil does exist, people are never all good or all bad. By realizing this, she is able to recognize the existence of evil without losing her faith in humanity.

  • Friendships Don't Always Last

    The tragic ending of George and Lennie's friendship in Steinbeck's novella "Of Mice And Men" shows us that sometimes relationships just don't survive, as much as we might want them to. Although George and Lennie are like brothers to each other, eventually circumstances pull them apart.