You just have to have a few 'whammies' up your sleeve.
Rude Big baby/Twins comment gets: It's one ENORMOUS baby I'm going to have at home with no drugs.
You're about to pop comment: Yea, you better move it, I think my water just broke.
Swallowed a watermelon: Won't my dh be disapointed that the baby he wants so badly is just a watermelon
The EVER POPULAR Don't you know how that happens comment:
No, I can't figure it out. Please let me know, and don't spare any details (wide eyed) OR "Yes, of course I know how it happens. Dh and I are so good at it that it is effective every time. You need some pointers??"