Fred/Helena and whoever else is good people!
"Nah, you just got to remember to sip it, since it's cold this time. Brain freeze happens when you eat or drink something really cold really fast." It took a moment he was still balancing next to her, and that he close enough to see her shiver. He took off the light jacket he had bought earlier that day and put it over her shoulders before going back to his chair.
"I'm sure it'll happen to me in a bit, and then you can laugh at me," he said, chuckling just a bit. He might have to do it on purpose, but it would be worth it.