choose whoever you are going to have more fun with....
Sure, there is nothing wrong with that.
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.
You can choose from a cousin or a guy friend, but if you feel courageous enough you can ask you crush
If your friend is your cousin's cousin's cousin, that make the two of you friend who might, or might not, be distantly related.
you should also join and enjoy
You should go up to your best friend and talk to her and then is they approve go talk to their cousin I like my cousins best friend and ive talked to him.
Why is this a problem for you? Is your cousin a bad person? Is your friend a bad person? If the problem isn't a safety issue then you should wish your cousin and best friend a long and happy relationship. You may want to ask yourself if you're just jealous of the relationship they share.
Choose
Well, maybe she gave you a pity kiss or she likes you secretly, so by dating your cousin she's trying to get closer to you? And if your friend tells your cousin, he/she is not a real friend. So what you should do is tell your cousin yourself and explain to him the situation, no matter how long it takes and how many slaps to wake him up. Then you go to the girl and ask her about it. Your friend is just a minor character in this dilemma.
Your friend is not responsible for what his cousin does or does not do. If you like your friend it shouldn't make any difference who or what his cousin is.
The predicate of this sentence is "is my friend's cousin".
Josh