Metto

Me too

"I really want to go see that movie!"
"Metto!"

OCYD

"Of course you do" or "of course you did"

Of course you do:
"I love you"
"Ocyd"

Of course you did:
"I drank the rest of your milk"
"Ocyd"

WEYW

"When ever you want"

"When do you want to go out for dinner?"
"WEYW"