"That's going to be fun," Steph has an afternoon shift, so she's got time to recover before she has to be a functioning human being but --

"Let's share a cab. I shouldn't drink alone," Addiction runs in the family, and she feels better when she's drinking with company (someone can keep an eye on her and stop her if she starts going too far).

So her drink gets finished quickly and she takes enough cash out of her pocket to pay for her drinks and adds that to Kalinda's pile of money.