Please review the 3rd point. It is super important.
Oh, not to worry; I've had a last will ever since about six months after my younger brother died (he was 17, I was 19). I remember when I had it drawn up; most thought I was being morbid or depressed or had some premonition of my own death, and were concerned about it.
Well, that was a very long time ago--so long ago that I had to revise it one time--and guess what.
I'm still here, and hope to be here for a long time yet.
I don't think there's anything morbid about making a will; it's just common sense, and saves others a lot of time and trouble down the road.
I think it's a rather admirable will, by the way; after getting instructions from an attorney, I wrote it myself (and it passed muster); one paragraph regarding an executor and disposal of property, and twenty-two following paragraphs describing the mortality of man and the Immortality of God (i.e., what I know, what I believe).
Being 20 years old at the time, and not an especially original person, I borrowed heavily from the will of Richard II of England (circa 1394), in which he disposed of his whole kingdom in a single sentence, and then spent miles of parchment (it's a very long document) describing the smallness of man and the Greatness of God.