To elaborate on what Mfrieler said:
Its about someone who is trying to hide his past from his friends, but its always in the back of his mind. With no-one to turn to for advice he's all alone; its up to him. His mind, torn in two("That mask you wear is wearing you"), is too woried about what others will think thats its begining to envelope his identity ("Everything to lose").
To elaborate on what Mfrieler said: Its about someone who is trying to hide his past from his friends, but its always in the back of his mind. With no-one to turn to for advice he's all alone; its up to him. His mind, torn in two("That mask you wear is wearing you"), is too woried about what others will think thats its begining to envelope his identity ("Everything to lose").