You can hover your cursor over the lil' Mario head, and the URL thingamajigger shows the target at the bottom, and the ID number shows how long you've been around, depending on when your nickname was registered, and the number will be smaller. Seems like it's into the 60___'s now.
As for me, I've posted off and on for the past like, 5 years or so.
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"Word I was in the house alone,
Somehow must have gotten abroad:
Word I was in my life alone.
Word I had no one left but God."