If there is one thing every teenager can agree about, it is this: Adults just don't get it.
Teenager problems are unique, hilarious, confusing, and -- if Monday evening's worldwide trending topic on Twitter was any indication -- often have to do with the existence of parents.
We've compiled 20 tweets from high schoolers sharing their ultimate #teenagerproblems in the slideshow below. Tell us: Which of these do you relate to most or least? Include any additions in the comments section or tweet us your own epic #teenprobs @huffpostteen!