Here's how it works. Go through your fap folder and find one webm you saved on or near your birthday, and another you saved on or near todays date.
Here's my birthday one.
>>9850902
And todays date!
saved this on the day before my b-day
>>9850902
Name?
>>9851118
xev Bellringer
My Birthday WebM
>>9851498
And my most recent!