Three little words.

I was at the surgery the other day--very dishy young male doctor---and as I left he said "Mrs C, you look amazing, for your age. I would have much preferred to have done without those three. I thought what a difference just three little words can make, for good or for ill, like these---
Please marry me.
It's a boy.
It's a girl.
I'm leaving you.
It's too late.
We're so sorry.
There's no hope.

What three word combinations have made an impact on you ?