Henry Cavill: Don't hit on me when my girlfriend is around

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Henry Cavill does not enjoy being hit on while he's with his girlfriend.

The "Batman v Superman: Dawn of Justice" star admits in a new interview with the U.K's Sunday Times that it "really gets [his] goat" when people "don't respect other people's feelings."

"I've heard some things in my time, I have to say. I'd best not say what," the 32-year-old actor reveals, noting, "I don't mind it — not unless I'm with my girlfriend and someone is being complimentary to me in order to disrespect her."

WATCH: Henry Cavill Says His 19-Year-Old Girlfriend Is Mature for Her Age, Reveals He's Dated Older Women Before

"I mean, if a girl shouts something like, 'Oi, love, fancy a shag?' to me as I walk past, I do sometimes wonder how she'd feel if a builder said that to her," Cavill continues. "Although, of course, I wouldn't feel physically threatened, as she might."

The actor and his 19-year-old girlfriend, Tara King -- who made their red carpet debut as a couple at the Vanity Fair Oscars party late last month -- find plenty to talk about despite their age difference, Cavill revealed in a recent interview with Elle magazine.

"People say age is just a number. It's actually a real and true sign of someone's maturity," he said. "But in this case, she's fantastic."

MORE: Henry Cavill Gets Real About the Financial Perks of Being an Actor: 'I'm Not Just Doing This for the Art'

Of course, Cavill knows that fan adoration and fascination with one's dating life are par for the course when it comes to being famous. However, he did open up about one of the lesser-discussed benefits of celebrity life in a recent interview with Man of the World.

"I'm slightly wary of saying this, because it can be frowned upon, certainly by members of my community and people outside my community…but I'm not just doing this for the art," Cavill admitted. "The money's fantastic and that's something which I deem—and again, it is frowned upon—very important."

PHOTO: Henry Cavill Makes Red Carpet Debut With 19-Year-Old Girlfriend at Oscars Party