I bet that when Ron and Hermione FINALLY kissed harry acted cool on the outside but on the inside totally fangirled. After the battle he waited until all was quiet in the Gryffindor common room...and began squealing like a perfect fangirl. "OMG OTP OMG OTP OMGOMGOMG!!"
Writing stimulus - what's through the key hole? Make a link with stories, fantasy settings etc. Nice photo for a piece of extended writing, possibly even based on 'The Secret Garden' as I used as a stimulus last year with Year 1.