I'm Pregnant
What you don't want to hear if you don't want to have kids. However, you wouldn't have had to if you didn't cave in to your Girlfriend's or Wife's demands to have them.
Example:
Laura: I have something to say.
Robert: What do you have to say?
Laura: I'm Pregnant
Robert: Shit
Laura: I have something to say.
Robert: What do you have to say?
Laura: I'm Pregnant
Robert: Shit