marathon - Any long and challenging activity, especially one that tests endurance.
insecure - Lacking confidence or self-assurance; feeling unsure about oneself.
landmark - Characterized by an event, discovery, or change that marks an important turning point in events.
stranglehold - A strong and oppressive control or influence over something or someone.
gap - An opening or space between two things; a missing part or break in continuity.
incendiary - Likely to cause fire, violence, strong feelings, or anger.
bubbly - When a person is very lively, cheerful and talks a lot.
skyrocket - To rise extremely quickly or make extremely quick progress towards success.
uplifted - Feeling happy and full of hope.
momentary - Lasting for a very short time.
wanderlust - A strong desire to travel and explore the world.
impediment - Something that makes progress or movement difficult or impossible