is my friend really a friend or a fake

I was at work one day and my best friend called my man to come to her rescue because she was fighting with her man. He did not go. He called me immediately after she called him. She asked him for his number on fb messenger saying she wanted to throw me a surprise baby shower, that's how she got. his number. Of course she never contacted him with information about that. So, I asked her how she got his number in the first place and she said, she saved it on her phone when i called her on it one day. I've never called her phone with his phone.. When I had my baby she got upset because she wasn't friends with him on Facebook. I was using the restroom and she says "ok who took me off facebook". this was while i was still in the hospital...