Am I Ruining This? (A danisnotonfire fanfic)

Avia is 18/19 and has a wonderful boyfriend, Dan Howell. She lives with him and his best friend Phil. One problem though...Phil is in love with Avia. Will all this ruin her relationship? But more importantly...will it ruin Dan and Phil's friendship? What will happen to Avia in the chapter of her life that will turn it...