Crysalis: ni-ni-nightmare! What on equestria are you doing

nightmare: hush cryssy dont you think the moon its lovely tonight?

crysalis: her- yeah su-sure but...will you put me down its making me a little bit nervous

nightmare: heh o no dear i wont put you down i will put you more near me.

( then crysalis suddenly remembers somthin she herad from celestia when she was spying on canterlot)

celestia: luna just please can you control yourself i know unlike many ponies you only have one night of heat but if ever that happens for the namesake of our family be discrete.

crysalis:.....crap its this night!