The only thing you should do is try to make her smile or laugh the next time this happens you don't need to try to force an entire conversation bruh...
Keep giving her space and just be friendly, if she appreciates your friendship she will accept this as an apology.
Lol I don't know about you... but I've not only heard women talk about a guy's backside or biceps, but my current gf said it was my arms that made her melt; she also asked if any of my previous gf's were ever jealous of my butt
Power Engineer, seriously...glorified gauge checker who make ridiculous coin. I've got my 4th Class ticket and doing well in my 3rd Class course, I'm expecting to make a nice niche for myself :)