**********************Potential Spoilers Ahead**********************
C-3PO has been adored by fans for generations. His encounters with R2-D2 are always a cherished sight, and his innocence almost makes him appear adorable in some ways. And who could forget his great sense of humor? But this droid has been keeping some deep dark secrets.
His Red Arm
Since the release of Star Wars: The Force Awakens, fans have been wondering why C-3PO has a red arm. While it was briefly addressed, the amusing anecdote was quickly brushed aside in the wake of Han and Leia reuniting. So what's the backstory with the red arm? It's quite possible that his original arm simply wore out, but the question is how?
Speculation proves that in our own society, there will be sex robots available for mainstream consumption within the next decade or so. With this in mind, surely sex with robots in the Star Wars universe is the farthest thing from controversial. In fact, it's probably common practice.
A Lot Can Happen In 30 Years
As mentioned before, Han and Leia were separated for a long time before their big reunion. Is it really that hard to believe that a certain princess occasionally felt a little lonely?
When you're fighting a revolution, you don't always have room in your suitcase for conventional...(ahem)...items. And as a general, you pretty much have control over any and every droid in your vicinity. I'm not going to paint any pictures, but let's just say that moisture has been known to cause electronics to short circuit.
So there you have it. While we don't have any definite answers yet, we can say at the very least that this concept hasn't been officially ruled out. Besides, C-3PO is totally the type of droid who can awaken the force inside of you.