Update: scan + quote kissing scene. with thanks to @ThomasFeltonUK for sending the photo.
"Putting all that aside and being in character was pretty bloody hard, it really was. That required a huge amount of professionalism. I really had to grit my teeth and be like: 'I am Hermione, this is Harry - stop thinking that it's Emma kissing Dan. It's not. It's all good.''