I heard that one before XD Except it was Harty saying that to Cho Chang XD Those puns are so cheesy XD
oml https://www.google.com/search?q=cheese+puns&client=safari&hl=en-us&prmd=isvn&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi_w9L26a_WAhVI7YMKHUTdAhgQ_AUIESgB&biw=375&bih=559&dpr=2#imgrc=5nDkHg-f8Fn8qM: