It's just the right thing to do. She's pregnant. I know that once I agree, it will be the same thing night after night. It would make an honest woman out of her...
Stop! Don't do it. Years from now you'll look back and realize just how sick this decision will make you feel. Trust me, you'll add years to your life by saying no to this.
Thanks future self!
Now that I think about it, I'm not really in the mood for your meatloaf. Let's just go out to eat.