Should I be worried about his girl best friend? Platonic or not?

Anonymous

They are very very close. They known each other for like 7 years since they were kids. The fact that they known each other for a long time is the only thing keeping me at ease because wouldn't something have happened by now? But at the same time, there has been so many stories of best friends falling in love with each other so I am super paranoid.

I noticed they seems to be getting more and more close recently. They cuddle together and casually hold hands a lot. Like they were even holding hands the entire time during a photoshoot. Then, I saw a video of her sitting on his lap with his arms around her waist. It wasn't like they were keeping it a secret though so I just ignored it thinking it's fine because they were just playing a game with the chair. They are each other favorite person - I told myself that it's okay if he doesn't see me as his favorite person because he knew her wayyyy longer. They even see each other as backup husband/wife.

I feel like the only difference is that we have sex and kiss but they obviously don't. We been dating for more than a year now but I need to know if this is normal and I am not wasting my time. Like should I be worried about his relationship with his girl best friend or is it normal between two friends?

You should be worried. Tell your boyfriend how you feel.
There is nothing going on between them. They just have a close platonic relationship.
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Should I be worried about his girl best friend? Platonic or not?
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