Eight years — basically you're a doctor of the forums.
It's been 7 years since you signed up!
Today is your six year anniversary!
You've been here for five years now.
Today is your four year anniversary on the site!
You've been here for three years, thanks for sticking around!
You've received 5 likes -- guess you're doing something right.
Hey, Happy Birthday!
Today is your two year anniversary here.
You've made your first post! Welcome!
This is your one year anniversary. Thanks for hanging around.