They look back to see Sunny reaching for his vodka again with a shaking hand and sliding it to himself. He appears to be just mumbling to himself and then drinking from the bottle and shaking the sting of the Vodka off. A dancer had walked up to him to apparently tease him but he didn't even notice. He shakes his hand and moves it around as he's clearly wasted. He gets up to leave and the girl that was near him giggles a bit and walks off, probably seeing this before.
In his mind Sunny is thinking "Ok... ok.... im not too drunk... just... gotta get out of here... and it will all be fine... just gotta.... mmm...."