Guy friend ignoring me since he got a girlfriend?

Okay, so I have a guy friend. I have fooled around with him before and I really enjoy spending time with him. Now, he has a girlfriend and has been ignoring me. He said he wanted to hang out sometime, but yet I don't hear from him. What's going on?
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+1 y
I should also mention that he is friends with my ex. I don't know if that would make a huge difference.
Guy friend ignoring me since he got a girlfriend?
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