What are the chances of this? isn't it weird?

i was born on aug. 7 1990 and so was my cousin who is 10yrs older than me. my friend brit was born on aug.6 1990 my friend walker is born on aug.6 1990. my friend john, his gf was born on aug. 7 1990.my other friend katie was has the same birthday as me. to make it weirder walker and brit were born in the same hospital and we all live in the same neighborhood, except katie.