My best friend's boyfriend is jealous of me. How should I deal with this situation?

aat10
So my best friend recently told me that her boyfriend is jealous of me and doesn't like when me and her hang out without him around, whether we are alone or in a group. And I don't really understand why? Me and her have been friends for almost 8 years and nothing has ever happened between us so he doesn't have to worry about that. Plus he has told me and her that he likes me and thinks I'm a good guy so I don't understand why he now has this problem with me. I'm not the kind of guy to steal away another guys girl, and he knows this.

I understand the whole thing about his girlfriend hanging out with another guy, but he knows me. Plus we don't really hang out that much to begin with. This is what annoys me most about this situation.

I don't want to be the cause of fights between them because she wants to hang out with me, but I'm not gonna stop hanging out with her because of some guy she has only been dating for like 6 MONTHS while I've known her for 8 YEARS.

I'm just so confused about what I should do, if I should even do anything or just ignore it.
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+1 y
and by doing something I mean should I talk to him and let him know that he has nothing to worry about and that I'm not trying to come between them.
My best friend's boyfriend is jealous of me. How should I deal with this situation?
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