How do you own your Pokemon with better HP and stats?

Before I get lunch, I would like to post this question. Every time I caught a Pokemon today, they either were the wrong gender, had the wrong ability or were too low on HP. When I first caught Makuhita, he had 91 HP but I didn't want mine with Thick Fat. Mine normally has Guts which ups attack power if suffering. Not for heat and cold protection. Other times, I reset the game because it was a female and I usually like my Makuhitas to be male. Then other times when he ad Guts hits Hit Points were too low. For over an hour and 20 minutes, I have fought this Pokemon until I considered keeping him when he had 90 maximum Hit Points with the Guts ability itself. Then I caught Quilava perfectly with 80 Hit Points maximum. Then my Noctowl had Insomnia with 100 Hit Points Maximum but Slugma, isn't Slugma usually caught with 71 Hit Points. She at least had Flame Body as I saw before snagging her. I thought both my Quagsire and Noctowl would have 100 Hit Points total. How many soft resets do I at lease have to do to get the kind of Pokemon I want without changing the Pokemon itself?