The answer would be A) Fear because its something all of us have and is natural, something that we are afraid of on the inside or outside is instinctual, love is something complex, shame is something complex since as imperfect humans, its in our nature to put the blame on something/someone else so we don't feel shame on ourselves and this is a problem, not B) because even though we have a conscience that's like a guilty reminder that we did/doing something that we're not suppose to, its not instinctual since most people today don't listen to it.
Answer:
anger,confusion,unusual behavior
Explanation:
Success is achieving one's goals no matter the obstacle
Friction is harmful because if your riding and you suddenly stop the friction will make you keep going forward and you'll fall super hard on the concrete(my experience).You also lose your balance. Friction is helpful because it prevents you from hitting cars and pedestrians.