Never. Suck it up.
I normaly just say when hell freezes over maybe just maybee:-)))
when are you fcukin off?..
"No thanks if I want to get bored I rather prefer to be in church"
I have never been asked such a question. Is it a common occurrence?
My son's claim is "When did my uncle marry?" Since it wasn't until his 50's it shuts everybody up!