My coworker is giving my the silent treatment, I apologized but he is still acting very cold, what should I do?

Anonymous
My coworker (male) and I are great colleagues and are always friendly towards each other. Our relationship is more of a friends relationship than of a formal one. Last week, we started teasing each other negatively in a fun way. However I felt insulted about one of the jokes so instead of acknowledging that I don’t like to joke in that way, I back fired on him and said a very heavy joke about him acting like a girl. He was completely mad and felt insulted but then brushed it alway and said he understands it was a joke. Afterwards he began the silent treatment with me and has been since two days to the point he even changed his desk. I apologized to him and acknowledged that I have crossed the line with him. I tried my best to remain friendly & positive towards him yet he still refuses to talk to me normally like we always do. What else should I do?
My coworker is giving my the silent treatment, I apologized but he is still acting very cold, what should I do?
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