Thoughts? Do I have a chance?

I really like this guy. He is my close friends brother, 2 year age difference. I feel like there has been signs (snaps saved in chat, conversations, was #1 on his bsfl for weeks, etc.) but maybe I am reading to much into it. Anyways I asked him if he wanted to hang out without his sister and he said he didn’t know how busy he was (he has a job) and he would personally prefer the 3 of us. I would like to know your thoughts and what I should do, do I have a chance? Or was that him nicely rejecting?

Thoughts? Do I have a chance?
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