There is a specific version of summer dread I have felt every year since I was a teenager. It is not the heat. It is the swimsuit. More precisely: it is standing in front of a mirror and having the number on the scale still running in the background of my brain. What I now understand is that my body was not bigger because of anything I did. It was cycling. And that changes everything.

Some weeks you feel unstoppable. Other weeks your body feels like resistance itself.
It’s not inconsistency — it’s your cycle.

Here’s the science behind phase-based training, and how to align strength, HIIT, and recovery with your follicular and ovulatory peaks.

Ever had a week at work where everything felt harder than it should?
Same workload. Same competence. Completely different internal experience.

If that week happened during your late luteal phase, it wasn’t weakness — it was biochemistry.

Here’s what’s actually happening in your brain during PMS, and how to work with your cycle instead of fighting it.