It Sucks When You Realize You Were Wrong, Birthday Card
Inside Text:
Okay, I'll say it (even though it hurts)
You were right and I was wrong.
It really is your birthday
hmmm ....
Unless you use calculus to figure
it out, then you might not be right.
But I'll go ahead and give this
one to you.
HAPPY BIRTHDAY!
(until next year, it might change)