<human>: Can you give me the gist of the text in a nutshell?

So a little back story to this predicament...
After receiving the inevitable flood of "Happy Birthdays" by people, I decided to change my birthday to a few days after my real birthday as a type of social experiment. Again, I got a flood of "Happy Birthdays" so I decided that I was going to change my birthday everyday until it was my real birthday again to see if people actually knew my real birthday. It was my birthday everyday from June 7th to August 17th.

Then on August 18th when I go to change my birthday, I am welcomed by this message:

Seven days later the message changes to this:

Then on the eighth day I was allowed to change it again, which I changed to the 18th in a haze. But ever since I haven't been allowed to change it at all except for three options: August 16, 17, or 18.

I never knew there was a policy about changing your birthday too much, and now I can't even change it back to my real birthday. I emailed them back at the end of August saying I was doing a "social experiment" but I got the standard auto-reply back.

Is there anything that I can do from here? Has anybody else encountered this same issue?
<bot>: Changed my birthday every for two and a half months on facebook and now I can't change it. What can I do? Happen to you?