The fight....

This has been the on going fight in our house this week:

Melanie: I am the oldest, because I was the first baby.
Meredith: NO!
Melanie: Yes, I was born first, and I am 4. You were born second, and you are 2.
Meredith: NO!
Melanie: Yes, when I turn 5 you will be 3. When I turn 6 you will be 4. I was the first baby.
Meredith: NO!
Melanie: Yes, when I turn 7 you will be 5. When I turn 8, you will be 6. When I turn 9, you will be 7.
Meredith: NO!
Melanie: Mommy, I'm right, aren't I? I was your first baby, so I am the oldest.
Mommy: Yes, Melanie, you are right. You will always be Mommy's first baby, which also means you are the oldest.
Meredith: DAT'S NOT FAIR!!!!!!!!!!!!!!!!!!