How can I prevent myself from cheating?

[Madmitten]

in gta sa i used a trainer to give myself a jet to fly to missions
everything else was legit

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[Chrono]

I beat Red Dead Redemption with cheats.
Ravenous for the achievements that were blocked by using cheats(all of them), I beat the game without cheats.
Easy.

Yeah but RDR is a really easy and boring game.

[Madmitten]

Yeah but RDR is a really easy and boring game.

inb4themadness