"The Trending 20" is a regular series where we round up interesting, informative and hilarious tweets from worldwide Twitter trending topics, fueled by young tweeters on the interwebs. Have one to submit? Give us a shout @huffpostteen.
Attention single people of the Twitternets: if you're wondering why your last relationship ended, you might be able to find the answer in the below slideshow. (Or, at least, a few laughs.)
Today, the hashtag #WhyRelationshipsEnd was propelled into a worldwide trending topic and teens from all over the world shared their dating wisdom -- from more thoughtful responses ("Because people jump into things too quickly" and "Because people get bored!") to the more LOL-worthy ("You didn't let me enjoy my 'Believe' album in peace!") to the more tragic ("She kisses another boy in a cave on live television." - Gale Hawthorne).
Click through 20 of our favorite tweets below and share your own with us @huffpostteen!