I think you’re psyching yourself out, and ultimately going to sabotage yourself here. This should help though.
Here is a very simple step by step on how to do this. Just saying you’re plan above is going to exhaust you mentally, physically, spiritually and without some focus and consistency to ritual in this, he probably won’t come back. Follow the directions, make a point not to care about it once youre done with your ritual, do something else, catch a movie, read a book, meet up with some friends, paint, or make a sandwich.