the first:
starting with my greatgrandmother, the first daughters in any particular generation would always get pregnant/become a young mother with the succeeding generation bearing kids a year older
i.e.
bisabuela had abuelita at 17
abuelita had my oldest uncle at 18
my mom had me at 19
I got pregnant at 20 but miscarried.
I ended the cycle as I'm now 30 with no children

now the other pattern is
somehow the American born or raised girls end up associating with the Bronx somehow
I started that trend when I moved out of my mother's house at 19 to live with my then bf and his mom up there but I spent so much time there that it was like I lived there anyways.
when my cousin closest in age to me (5 years younger) ran from her dad's house, she went up there
then another cousin close in age ran up there too
my 19 year old cousin (5 years younger's little sister) is going to UPenn now and where is her man from?
take a wild guess.

We all must've been Bronxites in a past life, makes no sense otherwise.