"Well, I've got some good news."

"Yes, doctor?" prompted a hopeful Sugar Belle, squeezing Big Mac's hoof.

"You're not sick," replied Doctor Horse with a wry grin.

"She's not?" asked Big Mac.

"No."

"But what about all the throwing up?" asked Sugar Belle.

"Oh, morning sickness is quite common with pregnancy."

"Pr-pregancy?" sputtered Big Mac.

"Yes."

"Oh, that's wonderful news," said Sugar Belle.

"Yes, just one thing. You know Big Mac set a record for new borns. As Big Mac's the father, your foal will be quite large. You're in for one hell of a ride when you go into labor."

Nine months later...

Big Mac sat on a couch in the waiting room. Sitting on either side of him was a younger sister. Across from him, Granny Smith along with Rarity, Pinkie Pie, and Fluttershy. Twilight paced nervously, as Rainbow Dash snored.

Meanwhile, from the other side of the door:
"Big Mac! You son-of-a-b****! You get in here! You hear me! You did this to me. I want you to see how much pain you put me in! I know you can hear me!"

The screaming went on for hours.