Is it normal for straight adult male and female cousins to cuddle?

Like he is lying on his back and she lies on top of him facing him and he wraps his arm around her while she puts her head on his chest and they lie like that for an hour. They are first cousins. Is it normal?
I am so confused by my bf's behaviour can someone help me out with this?
He also got weird and jealous when she tried cuddling with me. Not jealous of me but of her. He did not want her near me and wanted to kick her out of there so he could cuddle with me but when we were cuddling before she almost kicked me out of there to cuddle him.
Asked Dec 26, 2012
Edited Dec 26, 2012
It doesn't matter if it's normal or not, since you can't change either one of them or how they relate to each other. What *does* matter, is how you feel about it. If it makes you uncomfortable, then extract yourself from this cuddle triangle.
Answered Dec 27, 2012
Excellent point. Sometimes we are in too deep to see what is really important. Thanks for answering.
Sure. :-)

TIP: If it's not your answer to this question, please click "Leave a Comment" button under the question to communicate with the question owner.