Say what you have to say and the first time you come to a sentence with a grammatical ending-sit down.

It's quite simple, (public speaking) Say what you have to say and when you come to a sentence with a grammatical ending, sit down

Ending a sentence with a preposition is something up with which I will not put.

When you took your seat I felt as if a woman had come into my bathroom and I had only the sponge to defend myself.

My wife and I tried to breakfast together, but we had to stop or our marriage would have been wrecked

Although present on the occasion, I have no clear recollection of the events leading up to it.