Key phrasing is when you are searching something with a specific phrase on an internet. For example, if you want to find a chocolate chip cookies recipe, your key phrase might be "chocolate chip cookie recipe.".
The speech is very focued, he seems to have his mind set to it, the tone relates to this situation in the text because they are talking about before death, and he is saying how he wants to stay the same when he dies like his body would stay the same.
