My best friend and I haven’t met up all summer because she says she’s “been so busy”?

Do you think “busy” is always simply an excuse? I’ve always believed that we will make time for who we want to see, regardless of how busy we are. She’s met up with other people all summer but not me, so clearly isn’t too busy for them?
My best friend and I haven’t met up all summer because she says she’s “been so busy”?
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