Is my girlfriend's roommate jealous?

Anonymous
I've been dating a girl for a little over a year now. A little over six months ago her roommate took a mini vacation, and my girlfriend kept asking when she would be back. She kept getting I don't know and I saw this as an opportunity to get closer. Doing so worked in our favor and now me and my girlfriend have complete trust over one another.

Downside. Her roommate, that has never expeirenced being in love with someone comes back and expects her world to be center of attention. My girlfriend has tried to get her troommate to be with a guy, but makes excuses of how she can't be tied down with someone with someone. All because she has so much going on and the guy won't understand.

Couple days ago my girlfriend lets her know I'm coming over and be prepared. This was done not to blind sight her but she wanted my girlfriend to go visit her friends grandfather in the nursing home. My girlfriend chose me and when her roommate came back completely ignored us. Wasn't until the next day that she acknowled us and it was negative of how my girlfriend won't spend time with her roommate doing excersise with her, but she'll do it with me.

Next day after my girlfriend gets done with dinner my girlfriend is going upstairs and her roommate blurts out "There you go off to talk to your boyfriend again." And my girlfriend is like "No I'm actually going to workout, you're welcome to join me if you wish. Her roommate joins her.

But now me and girlfriend are wondering if her roommate is jealous of me? All this behavior is uncalled for. And we try to include her in things but she makes excuses. My question is this roommate jealous or is something else going on she isn't not talking about?
Is my girlfriend's roommate jealous?
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