I have been having orgasms for decades. I honestly don't remember how my arousal changed. I do remember that every time I had sex and had an orgasm, I would say, "That was the best time ever!" in the beginning, and My Man would laugh and say, "You say that every time!" Being a man, I guess he didn't realize what an accomplishment is was for a very young woman to have figured out how to come and to work it out while he was performing oral sex.
But, that's all I remember about it.
It was a really long time ago.
I'm glad you are enjoying your newfound sexuality!