“I'm sorry I ever met you" is effective enough, but how much more piquant is the same communication expressed as: "I rue the day I met you.”

“Day One of my life was the day I met you.”

“Has that line ever worked for anyone?”
“I’m not feeding you lines. I mean every word.”
…
“Day One of my life was the day I met you.”
“Okay, that’s a winner. You can put it in.”

“McLeavy: Where did I go wrong? His upbringing was faultless. Did you lead him astray?
Dennis: I was innocent till I met him.
Hal: You met me when you were three days old.”

“I never believed from the day that I met you
A loser like me could ever get you
When we go out I hear people saying
"What's that beautiful girl doing with him?"”

“I have wanted to do this," he said, "every moment of every hour of every day that I have been with you since the day I met you. but you know that. Youknow. Don't you?”

“Remember that no matter where I am or what I'm doing I've got a special place inside me that's all for you. It's been there since the day we met.”

“Though my heart is filled with feelings I want to convey
You see, I can't express them in words
If I had not met you
I wouldn't even have such an embarrassing pain”

“it seemed to me that I had never met
another person on earth
as discouraging to my happiness
as my father.
and it appeared that I had
the same effect upon
him.”

“When I was in my 20s, I was a bookworm — spent 12 hours of the day in the library. How I met George, I'll never know.”