It is becoming more painful if pushed pushed to within the heart. It's not completely give up enough to push it into to want to give up this feeling that I want to tell the lady and would not reach, if pushed it's the why?
( それは、心のなかに押し込めば押し込むほど辛くなっていく。貴女に伝えたいこの気持ちは届かないだろう、と諦めたいのに、押し込めば押し込む