Do you get somewhat jealous if your guy friend is talking to your crush (girl)?

I was downtown with a friend and I ran into my crush. He was with his 2 friends, only 1 that I know. My crush gave me a hug and then stood right next to me and talked. Then his friend (who I don't know) asked me my name and shook my hand and I noticed right when that happened my crush quickly turned his head and looked at his friend... Kind of like a little jealous or protective maybe... (His friend doesn't know we have a little chemistry either)...

Just wondering!!
Do you get somewhat jealous if your guy friend is talking to your crush (girl)?
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