如今的没心没肺都拜你所赐
[rú jīn de méi xīn méi fèi dōu bài nĭ suŏ cì]
Now I am so callous and careless all thanks to you, implying a past betrayal or hurt inflicted by someone has changed their personality from sensitive to cold-hearted or apathetic. A sense of self-sarcasm is expressed in the sentence.