Luna stepped forward and spoke before Hermione could voice her thoughts. "You don’t have to kiss each other. It's a kindness mistletoe. You only have to give each other an honest compliment. Professor Slughorn has been so kind to let me help him with decorations. I wanted to spread some kindness in such dark times. Kindness is one of the best remedies against Nargles and their love to devastate." Luna smiled dreamingly.