Now or never

"No,” said Ron seriously, “I mean we should tell them to get out. We don’t want anymore Dobbies, do we? We can’t order them to die for us—“
There was a clatter as the basilisk fangs cascaded out of Hermione’s arms. Running at Ron, she flung them around his neck and kissed him full on the mouth. Ron threw away the fangs and broomstick he was holding and responded with such enthusiasm that he lifted Hermione off her feet.
***
Harry Potter and the Deathly Hallows, Chapter 31: The Battle of Hogwarts