💌 Great minds think alike. When Ellen Sundell-Madden and her twin sister play Pictionary on the same team, "we can draw just a few of the lines and we already know what is being drawn," she says.

• And a few times, Sundell-Madden and her twin have randomly bought the exact same birthday card for a family member.

🎂 Expect more cake. Paul Streeter's mother is an identical twin, and his fraternal twin siblings were born on his fourth birthday.

• Their mother always made three cakes to celebrate, he says.

💞 A "double blessing." That's how Angel Fitzgerald describes learning she was having twins — during delivery. "We have nine grandchildren at this point but no twins…so far!"