WHAT THE FUCK ARE YOU DOING WHAT THE FUCK ARE YOU DOING ARE YOU FUCKING DUMB WHY THE FUCK ARE YOU WASTING SOME GOOD CONDENSED MILK FOR THAT SHITHEAD IT IS EVEN TASTY FOR HER BECAUSE ITS SWEET FUCK DONT WASTE THE CONDENSED MILK
I assumed he was cooking something up with her that required condensed milk as an ingredient. A side effect of keeping her alive and suffering to sweeten the paste would be her being able to taste the milk added.