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<p>A clear bright line rule is a lot easier to follow when drunk than trying to remember the matrix of number of drinks, hours since last drink, gender, weight, etc… And many people do follow such clear bright line rules, such groups having designated drivers who drink no alcohol, people who do not drink alcohol at all, etc… Presumably, at least some people who get drunk can still follow a clear bright line rule of no driving after drinking, even if they would make lots of errors if they tried to remember number of drinks, hours since last drink, etc…</p>
<p>The tennis ball analogy would be the difference between picking up a tennis ball sitting on the ground versus hitting it in a tennis game. A drunk could probably still pick it up from the ground, but would have much more difficulty hitting it in a tennis game.</p>
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<p>True, personal breathalyzers are uncommon, but it is an option for someone who wants to be absolutely sure that s/he is sobered up enough to drive after drinking by waiting until s/he blows 0.00% in the breathalyzer. They are offered for sale on-line, so there must be some market for them.</p>
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<p>Getting back to rape, having people internalize clear bright lines will make it more likely for them to avoid unclear consent situations. Such clear bright lines include:
- If asking for sex, only a clear “yes” from someone not under the influence of any drug means “yes”. All other situations and answers mean “no”.
- If asked for sex, clearly say “no” if sex is not wanted.</p>
<p>Of course, predatory rapists and how to avoid them are an entirely different matter.</p>