sit back, relax, sit back relapse again~ phan AU~Dan, Phil, Chris, and Pj have been best friends since middle school. They know everything there is to know about each other. Or, so they think. But can they keep these secrets in their heads, or will they find their own way out? /TW: self harm, attempted suicide, depression, eating disorders, panic attacks, abuse, angst, and very horribly written sexual content. / cover by me.