The context of the following conversation is Sasha gave her mom the money, even though she knew if would just be spent on booze.:
Sasha says My mom came to visit me today..
The friend responds Was she sober? What did she want?.
Sasha responds She was sober, she was asking me for money..
The friend responds You didn't give her anything right? She's just going to buy booze with it..
Sasha responds I did give her some money and told her to go buy herself food..
The friend responds Sasha, you know that's not going to happen..