You should tell her, they should be ok with it because they are not in love with their cousin and plus if she is really your best friend it will be cool with her.
Just say it. It is your cousin, not your lover. It is his best friend, not his pole smoker...
Josh
yes
My Best Cousin/friend.
You have to tell them
Achilles cousin and best friend was Patroklos.
dating a best friend works every time
Such a person is your best friend.
Naya Nuki was Sacagawea's cousin
if they are your best friend they should understand
Well If you're dating your cousin I think it'll be best that nobody finds out, if you really like your cousin then keep it on the low.