One of my best friends over the last decade looks like prime Elizabeth Hurley. I've traveled with her (for work), gone to lunch with her etc across a decade without my former or current girlfriend getting mad. And while I think she's hot I have no interest in fukking her, not even when I was single. Partly because she's crazy but the other part is...we're just friends. Probably also have too many personality similarities to ever be a good idea to pursue her (if I was single).
I'm never a fan of arguments that basically boil down to claiming men are cavemen with no control over their urges, who only think about sex, etc.
You probably work in an industry or in a field where having friends or colleagues with like-minded goals and interests is mutually beneficial. (You talked about travelling for work)
I do too. Most people do not, though.
I work with some very attractive women and I'm friends with them. I'm talking beautiful. We text, we talk, we meet, we work, we joke, we eat. Friend shyt. We're friends.
But I know myself as a person, I know what I like, what I want and what I need. So I can tell the difference between someone who I like to be with and be around because we serve a purpose in each other's life on one level (work, and even social), knowing that's more important than trying to sleep with them.
So when guys talk that "men and women can't be friends" shyt, I just assume they either have poor impulse control, or don't have or require the social skills to be around people of the opposite sex.
I also don't have the time or energy to put in "friend" effort for someone I'm trying to sleep with, and vice versa. If you see me with someone and she's bad, it's because I respect their game and wanna build. If I don't respect their game and don't want to build with them, I either KIM or holla at them and see what's up. But I don't mix the two.
It's not that hard.