Puberty hits everybody like a ton of bricks, and nobody moreso than teenage girls. School is a social nightmare when you're trying to figure out who you are as a person, and you have all these FEELINGS!Chances are, whenever life was getting you down, you went home, turned on one of these 10 songs, and let the tears just flow.Avril Lavigne - "Complicated"Seriously, why DID you have to go and make things so complicated? Avril's ode to teenage love and awkwardness was pretty emblematic of everyone's first relationships.My Chemical Romance - "I'm Not Okay (I Promise)