This is the one simple sign your relationship is a happy one

In the modern age of technology, couples have Snapchat, Instagram, Facebook, and Twitter to show off their affection for one another.

But it turns out, those who don't post about their relationship on social media are actually the happiest.

While it's completely normal to be proud and public about who you're dating. A recent study has revealed there is a connection between how content you genuinely are and how often you post couple selfies.

There are a few reasons for this...

Firstly, people who don't use social media are generally more happy overall. Excessive social media use is linked to depression as people compare their lives to other people.

Social media users effectively brainwash themselves into being happy by making others think they're happy.

When you're genuinely happy with your life (or a relationship) you're naturally more present for it - not taking selfies or updating your status because you don't feel like you have anything to prove.

Your happiness comes from being together, not through creating an illusion of perfection.

Of course, this doesn't mean you should hide your partner online... Another study showed that those who update their relationship status on Facebook were more committed than those who don't...