And who said what opimal levels are? What doctor (not some strength coach or guru)?
And just because you test one day at 600, doesn't mean you won't test at 800 another day. I've tested between 600 to 1000 in eight years with all blood tests done while using 10 grams of Androgel.
How is your quality of life going to greatly change by going from almost 700 to 900?
Your idea is silly, and not medical practice. Any competent doc wouldn't even deal with this sort of shit because you're NOT hypogonadal and tell you to walk out their office.