Cas wrapped his arms around her, drawing her close. When she emptied the bottle she had be simply reached for another but didn't put it in her hand. He leaved it close. She could take it if she wanted to.
He let the water drop for now. He knew Gabriel and Dean had been here. He reminded himself to kick them in the ass for leaving her alone, even if she had pretended to be OK, which he didn't believe she could pull off.
He kissed her hair softly. "Shouldn't have watched that alone, beautiful," he whispered.