WIBTA

So my brother and I have always been thick as thieves. Until lately, that is. He's been spotted by friends rolling the dice and gambling at our local casino , and now he's always hitting me up for cash to cover the basics grocery, like pizza and video games. Am I wrong for not wanting to be his personal ATM and enable his shady habit? He's been a good bro, but I told him to kick the habit before I cough up any more dough. I am I wrong for not wanting to be a atm