I generally agree, as I'm also a 'forgetter' especially with dates. But I guess to say, I remember the general idea of when someone's birthday is if I've known

I generally agree, as I'm also a 'forgetter' especially with dates. But I guess to say, I remember the general idea of when someone's birthday is if I've known them long enough. Usually the month, or at least the season. Maybe that's not the norm, though.