The reason is mainly because you’re likely hooking up with someone you’re incredibly attracted to.

Physical attraction, after all, is one of the main factors in considering someone for a romantic relationship.

She noted in a statement, “Those who use Tinder to find partners for casual sex with no strings attached often find the experience confusing and frustrating when they are matched with people who are looking for serious relationships." It's got all the now-standard swiping and matching of most dating apps, but it’s only for people looking to hookup.

All of the pleasure with none of the messiness of having to suss out whether this match could be “the one.” Li told us one feature that makes it stand out from the crowd is "moments." Similar to any social media feed, it allows you to upload photos and thoughts and share them with the other users.

Those, they say, who want “to meet couples and singles to have one night stands, friends with benefits, extramarital affairs, swinging or any other type of casual sexual relationship without commitment and emotional attachment.” It's clearly working.

In beta testing they’ve amassed more than 50,000 users and are generating at least 1,000 matches a day.

Tinder may have rock solid reputation for being the hookup app, but there's a new player in town.

Casual X is an app that's catering exclusively to people who want encounters with no strings attached.

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If protection fails (hoping that you do use protection), you might find yourself in this very challenging and unwanted position.

You would have to make decisions on a major responsibility with someone you do not have a meaningful relationship with (yikes! As you put in more time into your casual relationship, you'll become accustomed to shallow connections.

It's fun and it's convenient, and other than a pair of sexy undies, you don't invest much into it. The topics of your communication will be predominantly when to hook up, what position is preferred and which toys or roles to try.