<span>“My habitual mood of humiliation, self-doubt, forlorn depression, fell damp on the embers of my decaying ire. Habitual here should mean, recurring or something which keeps happening and this "habitual mood" dampened the intensity of her anger, </span>
Your title depends on what your text and reasons are specifically about and what the information you are given is, however I would choose whichever one fits your information the best. However, they all are talking about bicycles. I would most likely choose the health benefits of bicycling.
What book are you reading?