The song "Because Of You" by Gilbert O'Sullivan expresses the feelings of longing, loneliness, and regret after a breakup or separation. The lyrics convey the protagonist's deep emotional attachment to someone they love and how their absence has left a void in their life. The lines "There's never been a time like this before, cos when I'm not with you, life is such a bore" highlight the emptiness the protagonist feels when they are not with their loved one. They find it difficult to enjoy life or feel content without their presence. The repetition of "I'll know it's because of you" emphasizes that their sadness is a direct consequence of their partner's absence. The second verse conveys the sense of betrayal or disappointment the protagonist feels because their partner didn't inform them about their departure or provide any closure. The line "Yet when you went away you never told me" suggests that their partner left without explaining the reasons behind their departure, leaving the protagonist confused and hurt. The chorus repeats the feelings of regret, expressing that the protagonist will never see their loved one again and knows they will regret it. They acknowledge that their current state of being is not conducive to happiness, as they are not themselves due to the heartbreak they are experiencing. Overall, "Because Of You" tells the story of someone who deeply misses their loved one, experiencing loneliness and regret after a breakup or separation. The lyrics evoke a sense of longing and reflect the complex emotions that can arise when someone significant leaves their life abruptly.