It's easy to figure out: if the person following Yelena were truly threatening, Morgan would have warned Gao Yang in advance. Since Morgan hasn't said anything, it naturally means there's no issue.
Sure enough, Simon nodded and whispered, "That's right, the one following her is that beaten-up bastard, a notorious playboy, Jason Jackson, a famous music producer."
Gao Yang breathed a sigh of relief but then frowned and whispered, "As long as it's not someone I'm worried about targeting Yelena, it's fine. But, is the guy who got beaten up actually a celebrity? Isn't that going to complicate things?"
Simon chuckled and shook his head, saying, "No, it's that bastard who should be worried. If Yelena or you decide to press charges, he'd be finished. We have numerous ways to deal with him. Besides, I've got to say, your girlfriend is smart; she's taken the legal high ground."