Nikolai wouldn't have really kicked her out if she didn't drink her water, but he would have zero sympathy for her come morning when her head got its revenge. When she did take a drink, and not just a sip this time, he gave her an encouraging smile.
When she leaned against him, his first instinct was to put his arm around her, but his second was to pull away out of respect for her state of being. But she seemed at peace here, and who was he to disturb her?
"Oh, thank you," he said with a mildly surprised tone, as though she'd complimented him on his tie and not his anatomy. "I do my best to keep it as comfortable as possible."