My sister and I were both adopted from the same country, and my parents say they got us on a "two for one special."
Adoption Agency Jokes
Customer: "Can I get this in a smaller size and a different color?"
Employee: "Ma'am, this is an adoption agency, you can't do that here!"
Alex: Dad, can we get me a little brother from the orphanage?
Dad: Sure, Alex! We're here!
Orphanage manager: Alex! You are so big now!
Alex: Dad, what is she talking about?!
I was gonna say when you were born your mum saw you and screamed, but I remembered you were adopted...