If a guy makes fun of another guy helping you out, does it mean he's jealous?

Anonymous
So, the other day my car broke down. I was scared because it was a bad part of the city and all my friends were gone. So, I call up my good friend (the one this question is about) and talk to him on the phone so I can feel a little safer. Half way through, I realize my other friend lives near the area (this is a guy who likes me and both my friend and I know he likes me .being the guy told me and I told my friend about it and he used to make fun of me about it). So, anyway I decide to call the guy up and he comes to pick me up and I'm relieved as I didn't want to be alone while I waited for my ride to come bring me home. So, I go back to his frat with him and blah blah blah.

So the next day I'm hanging out with my good friend (the one this question is about) and so I'm mentioning the other night and how the other friend picked me up and out of nowhere my good friend is like 'Oh yeah because he saved her! Yay, he's her knight in shining armor!" in this ridiculous loud voice in my car. So.does it mean anything that he's trying to make fun of it? Is he jealous?
If a guy makes fun of another guy helping you out, does it mean he's jealous?
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