“As human beings, we all have a relatively inflexible internal belief system that influences our day to day thinking, interpretation of events, emotions and behaviours,” Dr Bryony Bamford, founder of The London Centre for Eating Disorders and Body Image, tells Stylist.

“Some of these beliefs can, of course, work in our favour, but others can work against us – causing difficulties in many aspects of our lives. ‘Limiting beliefs’ are those that interfere with us achieving positive mental, emotional and physical health.”

I recently started treatment and recovery for Hypothalamic Amenorrhea (HA), because I haven’t had a period in almost seven years. So far, I’ve learned and accepted that this was caused initially by stress and disordered eating, and made no better by RED-S (Relative Energy Deficiency in Sport).

Simply put, I’ve been underfueling my body for the amount of exercise I’ve been doing, and so my body has stopped producing the necessary amount of hormones for ovulation.

Periods and fitness: “I’ve not had a period for years because I’m afraid to lose my ‘fit girl status’”