Dean nodded. he squeezed Jo's hand. Firm, but not crushing. "I know. We know. But we're here for you. You can talk to us, either of us. About anything." He shifted his head, so he could look straight on to her eyes.
"I'm the last guy who's going to tell someone not to drink. But when you drink to mask pain or frustration, fear, whatever," Dean shook his head. His other hand moved up to cup Jo's cheek. "That's a problem. Especially when you've got Cas and me right here, wanting to help you."