For those who want to have more than one skill in the game, they can do it by console.
To activate it you must .
1. Copy this file to the renpy\common folder
2. In the game, press shift+O to open the console
3. Copy and paste any of these skills
hero.gain_skill("video_games","gamer")
hero.gain_skill("work","workaholic")
hero.gain_skill("guitar")
hero.gain_skill("martial_arts","martial arts")
hero.gain_skill("golf")
hero.gain_skill("cooking")
hero.gain_skill("dance")
hero.gain_skill("shooting")
hero.gain_skill("iron_stomach","iron stomach")
hero.gain_skill("no_sleep","night owl")
hero.gain_skill("hung")