Betrayed! Rob Kardashian's Threats To Fiancée Blac Chyna's Other Man Exposed

Rob Kardashian’s volatile relationship with his soon-to-be baby mama, Blac Chyna, became even more explosive this week when RadarOnline.com exclusively revealed photos of the former stripper getting down and dirty with a man she called a "good friend," actor Pilot Jones!

Now, as the Rob & Chyna star’s twisted romance goes up in flames, RadarOnline.com has learned that he is NOT going down without a fight!

“Rob threatened Pilot, and it obviously worked,” a source told RadarOnline.com. “Pilot knows that Rob’s friends are not the most friendly group of guys. That is common knowledge. He should just be glad that Rob hasn’t seen him out and about.”

Though he's angry on the outside, the 29-year-old recovering recluse still has mixed feelings about the entire sordid affair.

“At this point, Ron doesn’t even know what to believe, and it is eating him up,” a source close to the Kardashian clan said.

Meanwhile, though she was seemingly caught red handed, pregnant Chyna, 28, is still insisting that she and Jones are just good friends.

“Blac told Ron that she always thought Pilot was gay, and that she kisses all of her gay friends on the lips,” said the source. “But Rob is not stupid. He knows that she is full of s**t now!”