Mostly this type of things come back to you.
Bad habits: never keep bad habits such as like smoking, alcohol, hookah, porn, masturbation etc.
Respect: most important thing to decide your whole career, success, achievements etc.
Self respect: this thing decides largely you own personality.
Wallpaper Abyss - Alpha Coders
These are some of major mistakes we do, try to avoid them, they has a real impact on your whole life, personality, success and failure.