Leaving the dishes dirty is lazy behavior.
Marc is living in an apartment by himself for the first time and is responsible taking care of himself and the apartment.
Marc wants to devote himself to his passion towards video games.
Marc creates a schedule that includes a large block of time for video games and smaller blocks for household chores.
Marc spends all of his waking hours on video games while neglecting the other areas of his life, like washing the dishes.
Marc is able to keep onto of cleaning while still being able to spend substantial time on his passion for video gaming.
Dirty dishes pile up in Marc's sink and attract bugs, causing his apartment to smell and him to feel embarrassed and disgusted.