 [ T ] he lyric is very much about her . She talks about being surrounded by friends but she 's alone : ' How can the silence seem so loud ? ' and then ' There 's only us when the lights go down ' . I think that 's probably the most personal line on the whole album about her and Jay , because they are very real , and they 're very much in love , and it must be pretty tough to have that love when you 're incredibly famous . 
