医生请给我一副铁石心肠
[yī shēng qĭng jĭ wŏ yī fù tiĕ shí xīn cháng]
This username reflects a desire to become emotionally numb or less sensitive. The person seems tired of feeling emotions and wants 'doctor' to give him/her an iron-stone heart, a way of saying wanting the courage not to be influenced by feelings or situations.