"... may that conduct be such as to cause a reasonable and sober person, of the defendant's age and sex, to do as he did? Now a reasonable person is simply a person who has that degree of self-control which is to be expected of the ordinary citizen who is sober and is of the defendant's age and sex. When considering that question, you must take into account everything which was said and/or done, together with the circumstances in which it was said and/or done, according to the affect which in your opinion it would have on that other person."