[ There's a noise of discontent there, but it's not meant for Zevran. It's meant for those selfish assholes he's been with in the past who didn't know enough to not abandon him to his own devices the second they got off. ]

Like I said, it's part of it. You could leave it out, in theory. You could also stick your dick in someone without lube and preparation. Doesn't mean you should.