<human>: Give me the gist of the text in a nutshell

So I have a friend who is ace academically and succeed in career. Even though we've known each other for just a year, I feel like I 'clicked' to him. He really inspired me in every aspects, be it socially or life goals.

As time goes by, I had a feeling that he's an opportunist. For example, he's always mocking a person behind their back, like very mean -- then in front of them, he becomes very sweet and friendly.
Do you think he's worth a friend?

Thanks before, I don't know where to vent, but this thought has been bugging me.
<bot>: My friend always mocking people behind their back, and I feel he's doing the same thing to me. Is it worth a friend?