Zecora’s answer contains no rhymes?  
Surely it’s a sign of the end times!

@Sonichu666  
#9 Academic, and kinda gross  
Cheerilee: …leaving plenty of room for the placenta to come out!
 
#10 Inexperienced, but well-read  
Luna: The mare will go into labor and then… something happens as time passes. Once it has, the parents hold their new child, basking in the warm bonds of family.
 
#11 Opportunistic  
Timber Spruce: How, indeed..? (extreme eyebrow wagglin’)
 
#12: Just found out themselves  
Ember: _{goodbye, childhood…} (stares into the distance, eyes much wider and more blank than usual)
 
#13 Twilight-ish  
Twilight: W-why are you asking me about something so…gross and disgusting a-and… Just trust me, it’s nothing you want to hear about, okay!? Ick!
 
#14 Folksy but blunt  
Granny Smith: Two ponies hump each other real good and then, sooner or later, the foal pops out the cooter.
 
#15 Doesn’t know but fakes it anyway  
Fizzlepop: Th-they’re made by, uh…alchemy!
 
#16 Just plain lying  
Trixie: There’s a secret backroom at Barnyard Bargains where you can buy them. I hear you can get a nice discount if you don’t mind a few…(ahem) dings.
 
#17 As their culture does it  
Ocellus: …and then after all the smiling drones’ carcasses are swept out of her chamber, the queen announces when the new clutch will arrive.
 
#18 Slightly knowledgable  
Spike: The parents go to the hospital and, like…cloning or something?
 
#19 Red flag!  
Blueblood: Pff! Whatever happens after the fun part is her problem.

Seriously? How is Fluttershy not in the first panel? She’d be by far a “knows but won’t say” pony. Mainly because she’d be too embarrassed to explain it to another pony, despite having seen numerous examples in the course of her animal work.
 
I will, however, take Dash as being thick if you subscribe to that headcanon.

(secret) #8: Yahoo! Answers.

@Vocal  
IIIIII get it. For us it may be March 31st. But for others, it might as well be April 1st. April Fools day man.

@rantam  
Tuesday, March 31st?

@Baskerville3  
Check out what day it is, mate.

@Baskerville3  
So I’m not the only one

… AM I THE ONLY ONE SEEING JUST RANDOM CHARACTERS FLOATING AROUND!!?? WHAT’S GOING ON!!!????

I think, Big Mac and AJ both have something to hide about themselves… ifyouknowwhatimean

the babies come from paris
 
the sex is for fun

I can explain how.
 

I think Fluttershy would technically know with all the animal care she does.

Pfffhaha! XD

Woah Pinkie, might cut yourself on that edge.

@Background Pony #069E  
Mwahahaha!

@Ilsor  
What have you done? Don’t cross the rainbows! You doomed us all!  
 

Thanks for using my translation.

I doubt Maud doesn’t know this.

I’d probably be 1 or 5.

When two rainbow intersect at the 90 degree angle.  
duh