#1) works, as long as it’s overruled by the later numbers when appropriate, just to be on the safe side. Perticularly #8.
#2) includes making sure that your partners are aware of any relivant information, (I’d like to add potentially violent ex-partners to the list of diseases)
#3) Is a pretty safe assumptions.
#4) has a lot of grey area, as Satan pointed out. I don’t think anyone’s going to disagree with it, but human communication is usually vauge, esp. when emotions are involved. And obviously, coersion is to a certain extent relative, as power relationships are compicated. Is a “I better do this, or he/she might leave me” situation coercive? What if the partner in that type of encounter dosn’t realize the other party is afraid of them leaving? And it just goes on like that.
I always (always, in my case, being a fraction with a very, very small denominator) use the “next week” rule. In other words, even if she’s interested now, will she be happy she did this next week?
This works becase I’m 1) so arrogant I think I can actually not only understand what other people are thinking, but what they will think in the future, and 2) not perticulaly agressive, so I won’t use this to justify actions of the “she’s saying no now, but she’ll be happy about it later.”
This also leads us to the rather vauge (in this case) border between unethical and just unadvisable. Back in my freshman year, I had the (presumably traditional) evening study session cum late night discussion cum very late night backrub with a rather nice political science major. Now, loosing my virginity would have made a very very nice cap on the evening, I assure you. Now, I didn’t go with it because I knew she was feeling depressed, and might be a bit vulnerable. And, being similarly a bit new to the whole close physical contact game, might not be quite able to distinguish between “this feels really nice” and “I really want to do this now.” *
Turns out that I was proably right about this, as she didn’t really seem interested in later evening study session. On the other hand, it’s possible that she assumed that I was gay.
In either case, was that actually an ethical decision, or was it a utilitarian one that involved her (and by association, my) feelings?
Though situations requiring me to utilise said rule come up rather less than I would like . . . sigh.
*Note that I never questioned weither I might have difficulty distinguishing between the two. As mentioned, I am arrogant.
#5) This is a pretty safe assumption, I think. Even the North American Marlon Brando Look-alikes Asosociation agrees. (“Kick thier asses for stealing our domain name!”
You beat me to this one. Damn.
What if I take the corpse of an animal, dry it out, scrape off, the gooey parts, and wrap it around somebody? Is that OK? Or are we going to have to stick to worm by-products? 
Now, my dog attempted sex with my leg on a couple of occasions. I’m not sure it would have been “unethical” to let him finish, just very, very icky. And I suppose I could come up with some circumstances where sex with a corpse would be ethical, but I don’t care to try. I wish to stop talking about this now.
#7) This is another grey area. Though it throws up huge warning signs, I suppose there’s nothing unethical in itself with a relationship with a (late) adolecent, provided you deal with the appropriate consent and full understanding issues. And not just because I spent most of my adolecence hoping one of my teachers or neighbors would choose to act in this fasion.
#8) If I or anyone elses think someone is doing something very self destructive, wrong or foolish, I don’t see anything wrong with telling them so, provided it’s done in a reasonably polite and appropriate manner. I’m not sure the “polite and appropriate” part is an ethical decision, it’s just manners. In fact, under some circumstances, I think ethics require pointing this type of thing out.
By appropriate, I mean, say, pointing out to a friend (well, not really a friend, but anyway) that he might be taking advantage of a teenager’s bridal fantasies is one thing. After insisting he wasn’t, had I called him up and repeatedly brought it up would have been something else.
However, that doesn’t justify harrassment, which can be either a manners or an ethical call depending on the circumstances. Telling a teenager that he’s a monster who’ll burn forever for liking guys is downright abusive. Telling him that you think it’s wrong is not, though it might be rude. (I don’t feel that way, it’s just an example)
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“Tell her you’d marry her right out of high school, all over again.”
