<human>: Can you provide a brief rundown of the text in within 3 sentences?

So, this happened 5 days back and after hoping for 5 days, that somehow the situation reverses, I can confirm now that it indeed was a fuck up.

So, I have been talking to this girl for a long time now. She is 2 years older to me. The other day, I made a joke about her age, to which she replied "the same age you'll reach in a year or two."
Now, being the 'aww shucks boy genius' that I am (read 'idiot'), I racked my brains to remember her Zodiac sign which she told me once (and doesn't remember that conversation). Post that, just taking cue from her mail id which had a number which I presumed that obviously must be her birth date, I proceeded to actually calculate how many years, months, and days I'm behind her.
To which, she obviously replied that "I don't remember telling someone my birthday." To which I grandly wrote *Big Brother approves*
Apparently that was the wrong thing to write and I did lamely offer how I came up with her birth date, but too late. She said "You should ask a girl her birthday from next time onwards." And "signed off".

5 days hence, there has been no text and she obviously presumes I stalked her FB profile which I didn't. Now I'm the FB stalker guy because I remember things.
<bot>: Came up with a friend's birth date because she once told me her Zodiac. She doesn't remember this conversation. Now thinks I stalked her on FB to know her birthday.