Harry litterally ihaled the soup in a manner that was probably remarkably similar to Ron. He took a drink of water and then took her hand. "Yes thanks, part of the headache was probably from forgetting to eat. I was just busy and not paying attention to the time."
In all honesty he had felt so light that the decision had been made, that he barely noticed any discomfort.
He swallowed the potion and made a face taking another sip of water and starting on the bread.